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Eat Your Greens: The Surprising Power of Homegrown Leaf Crops, by David Kennedy

Our industrialized food system is failing us, and as individuals we must take more responsibility for our own health and food security. Leaf crops produce more nutrients per square foot of growing space and per day of growing season than any other crops and are especially high in vitamins and minerals commonly lacking in the North American diet. As hardy as they are versatile, these beautiful leafy vegetables range from the familiar to the exotic. Some part of this largely untapped food resource can thrive in almost any situation.

Eat Your Greens provides complete instructions for incorporating these nutritional powerhouses into any kitchen garden. This innovative guide:

  • Shows how familiar garden plants such as sweet potato, okra, beans, peas, and pumpkin can be grown to provide both nourishing leaves and other calorie- and protein-rich foods
  • Introduces a variety of non-traditional, readily adaptable alternatives such as chaya, moringa, toon, and wolfberry
  • Explains how to improve your soil while getting plenty of vegetables by growing edible cover crops

Beginning with a comprehensive overview of modern commercial agriculture and rounded out by a selection of advanced techniques to maximize, preserve, and prepare your harvest, Eat Your Greens is an invaluable addition to the library of any gardening enthusiast.

David Kennedy is the founder and director of Leaf for Life, a nonprofit organization dedicated to the elimination of global malnutrition through the optimum use of leaf crops, and is the author of 21st Century Greens and the Leaf for Life Handbook.

  • Sales Rank: #1317971 in Books
  • Published on: 2014-10-14
  • Original language: English
  • Number of items: 1
  • Dimensions: 8.90" h x .70" w x 7.40" l, .0 pounds
  • Binding: Paperback
  • 288 pages

Review
With wit and reason, Kennedy makes a compelling case - based on sound nutritional and sustainability grounds - to start producing and eating more greens. Delicious, leafy green vegetables grown at home can effectively fill voids left by the industrial food system as well as the local food movement by making fresh, highly nutritious foods readily available from small garden spaces and at low costs throughout much of the year. Kennedy’s new book is a practical instructional manual on how to grow and prepare leafy edible plants, many of which are unavailable at grocery stores and farmers markets, overlooked by gardeners and rarely considered in the kitchen. It offers a simple, grassroots solution to help counter the immense public-health burden that has arisen from our high-calorie, nutrient-poor diet. Reading this book could change lives, communities and society for the better. ---Sean Clark, Professor and Farm Director, Berea College

Leaf crops produce the most nutrition from the least space while requiring the fewest inputs. The trouble is . . . many valuable leafy vegetables are unknown to gardeners. Nor do we know how to prepare or preserve them. Dave Kennedy's Eat Your Greens provides all this information. The book should be on the shelf of every serious gardener. ---Steve Solomon, Author of Gardening When it Counts and Growing Vegetables West of the Cascades

David Kennedy makes a compelling case for home gardens as a vital element of our food system and for expanding our food and garden horizons by growing super-nutritious greens, including some novel leaf crops and traditional crops used in new ways. A great resource for those wishing to increase their food security, Eat Your Greens offers detailed information on growing, eating, and preserving greens that both novice and experienced gardeners will welcome.
---Susan Littlefield, Horticultural Editor – National Gardening Association

Eat Your Greens is a refreshingly thoughtful and practical book for the new wave of savvy gardeners interested in exploring the full potential of home gardens. One of the world’s experts on leafy green crops opens his garden gate to show us an amazing array of 21 beautiful and some little-known greens that will make you wonder where they’ve been all your life. Going way beyond kale and kale chips, readers will learn how to grow greens, extend their harvest, and preserve them for year-round use. Creative and delicious recipes such as Cheesy Grits with Okinawa Spinach and Sweet Potato Leaves Salad are included. Though some of the information is technical, “Greens Guru” David Kennedy shares it in a friendly, easy-to-understand voice that sounds like it could be coming from your neighbor over the fence. In addition to the directive “Eat Your Greens” we can now add “Read Eat Your Greens “ as excellent advice that will make us healthier and happier.
---Anita Courtney, M.S.,R.D., Chairperson / Tweens Nutrition and Fitness Coalition


David Kennedy is one of the rare individuals who is a brilliant analyst, researcher and practitioner. So often we are told what is wrong with the world and less often told what the solution is. Almost never is the solution lived out with a working model of simplicity and function. David does all three with equal depth.

I was very excited when he told me that he was writing Eat Your Greens: The Surprising Power of Homegrown Leaf Crops because I knew it would not just be scholarly but also very practical. Our work is with the poorest of the poor in developing countries and David’s training resources have made the greatest impact on what we do but at the same time I have painfully watched the effects of nutritional poverty in the west for years. Everything that I wished could be said to my western friends is in this new book. There is now no excuse to be destined to a life of mediocre health.

It may be hard to believe but a couple of small four by eight foot kitchen gardens, that take minutes a day to maintain can turn the tide of deteriorating old age for so many reasons. Read the book more than once.
---Dale Bolton, Founder and Director of Organics4Orphans.org

Low-fat or low-carb? Vegan or paleo? Whole grain or gluten-free? Nutrition has become complicated by competing diets and health claims. The world's biggest food corporations add to this confusion and profit from it at the same time. In Eat Your Greens, David Kennedy cuts through the fog and shows us that the journey to optimum health can begin with a single, simple step into the backyard vegetable garden. The message of why and how we can eat more fresh, nutrient-rich greens isn't a marketing ploy designed to bolster some company's bottom line. It's a timeless, universal truth and one that Kennedy tells convincingly.
-Roger Doiron, Founding Director, Kitchen Gardeners International

Increase the biodiversity of your diet and your garden by expanding the variety of leaves you eat; often from the plants you are already growing for other uses—even cover crops! If you have heard of eating leaves of some plants, but are hesitant to try them because you have also heard they may contain irritants if not properly prepared, let David Kennedy show you the way. Kennedy’s expertise and passion for creating a healthy population with the help of leafy greens are evident in this book. In this ever-changing world we need to stay open to the possibilities of all our gardens have to offer. Great book!
---Cindy Conner, Homeplace Earth, author Grow a Sustainable Diet and Seed Libraries.

From the Back Cover
Turn over a new leaf with these nutritional powerhouses for your kitchen garden

This book should be on the shelf of every serious gardener. ---Steve Solomon, Author of Gardening When it Counts and Growing Vegetables West of the Cascades

A practical instructional manual on how to grow and prepare leafy edible plants, many of which are unavailable at grocery stores and farmers markets, overlooked by gardeners and rarely considered in the kitchen… reading this book could change lives, communities and society for the better.---Sean Clark, Professor and Farm Director, Berea College

With more nutrients per calorie and square foot of growing space than any other food, leaf crops can be an invaluable addition to every yard or garden. As hardy as they are versatile, these beautiful, tasty vegetables range from the familiar to the exotic. Some part of this largely untapped food resource can thrive in almost any situation.

Eat Your Greens provides complete instructions for incorporating these nutritional powerhouses into any kitchen garden. This innovative guide:
• Shows how familiar garden plants such as sweet potato, okra, beans, peas and pumpkins can be grown to provide both nourishing leaves and other calorie- and protein-rich foods
• Introduces a variety of non-traditional alternatives readily adapted to local growing conditions, such as chaya, moringa, toon and wolfberry
• Explains how to improve your soil while getting plenty of vegetables by growing edible cover crops.

Beginning with a comprehensive overview of modern commercial agriculture, and rounded out by a selection of advanced techniques and easy recipes to maximize, preserve and prepare your harvest, Eat Your Greens is an invaluable addition to the library of any gardening enthusiast.

A great resource for those wishing to increase their food security, Eat Your Greens offers detailed information on growing, eating, and preserving greens that both novice and experienced gardeners will welcome.---Susan Littlefield, Horticultural Editor – National Gardening Association

Eat Your Greens is a refreshingly thoughtful and practical book for the new wave of savvy gardeners interested in exploring the full potential of home gardens.-- ---Anita Courtney, M.S.,R.D., Chairperson / Tweens Nutrition and Fitness Coalition


Dave Kennedy is the founder and director of Leaf for Life, a nonprofit organization dedicated to the elimination of global malnutrition through the optimum use of leaf crops, and the author of 21st Century Greens and the Leaf for Life Handbook.

About the Author
Dave Kennedy is the founder and director of Leaf for Life, a nonprofit organization dedicated to the elimination of global malnutrition through the optimum use of leaf crops to support human health. He has designed and implemented projects and workshops involving small scale agriculture and innovative food processing in 13 different countries on four continents. The author of 21st Century Greens and the Leaf for Life Handbook, David is a tireless advocate for the development of wholesome food systems worldwide.

Most helpful customer reviews

5 of 6 people found the following review helpful.
Fantastic resource
By Amazon Customer
WOW everything I didn't know about growing and incorporating leafy greens in our lives. I was shocked at the nutritional value of greens, specially the protein of dried leaf concentrate. This book goes from the cellular level of plants along to some nice recipes. Thorough explanations and alternatives and data. All questions were answered including how to hide greens in foods for picky eaters and grow year round in colder climates.
Big garden changer for me.

3 of 3 people found the following review helpful.
Great book.
By Elizabeth Kaup
This is a unique and invaluable book. It covers all aspects of growing, preserving and utilizing leaves, plus the reasons why we will absolutely have to do this, sooner or later... so let's get started now!!

Great book... money well spent ;)

7 of 9 people found the following review helpful.
More manifesto about commercial food growth than useful content
By CA in Austin
I purchased the book looking forward to diversifying what I grow in the garden. The first chapter that starts to discuss alternatives to grow doesn't begin until page 97, and includes some common crops. There are some summary listings for several plants that were of interest, with details on a few more. If you are looking for horticultural information on growing green leafy vegetables, a web search and your local extension office are good resources. The author's foundation sounds like a great cause, but it's not why I purchased the book. Recipes start on page 215, and there are sections on setting up a garden, vertical gardening and preservation also in the book (before the recipes).

See all 5 customer reviews...

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Growing Up Wired: Raising Kids in the Digital Age, by Queena N. Lee-Chua, Nerisa C. Fernandez, Michelle S. Alignay

In a groundbreaking study, the authors draw from well-known international studies and personal experiences and testimonials by Filipino subjects on why our children have totally different and distinct behaviors and values in response to modern technology.

  • Sales Rank: #565320 in eBooks
  • Published on: 2015-08-05
  • Released on: 2015-08-05
  • Format: Kindle eBook

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0 of 0 people found the following review helpful.
oh deng pare!
By Jenner Pascua
Proud to be filipino! I love pinays and DJing when I'm not nursing..

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[F556.Ebook] Download PDF The Essential Spelling Book 2 - Workbook (Bk. 2), by Fred J. Schonell

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The Essential Spelling Book 2 - Workbook (Bk. 2), by Fred J. Schonell

The Essential Spelling Books are based on the popular Schonell Essential Spelling List, which contains over 300 words most commonly used and needed by children up to the age of 12. Lively and carefully structured exercises mean that words are learned thoroughly, but enjoyably as well.

  • Sales Rank: #4836174 in Books
  • Brand: Brand: Thomas Nelson Publishers
  • Published on: 2014-11-01
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.69" h x .12" w x 7.40" l, .0 pounds
  • Binding: Paperback
  • 48 pages
Features
  • Used Book in Good Condition

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[Z509.Ebook] Free PDF Thyroid Cytopathology: An Atlas and Text, by Sudha R. Kini

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Thyroid Cytopathology: An Atlas and Text, by Sudha R. Kini

Successfully diagnose the full spectrum of thyroid neoplasia with Thyroid Cytopathology: A Text and Atlas! In this trusted pathology reference, readers are provided with the most comprehensive, authoritative coverage on the evaluation of thyroid fine-needle biopsy specimens available in one source. The text discusses everything from basic cytopathology concepts, fine-needle aspiration biopsy techniques, and cytopreparation through the interpretation of the complete range of cytology findings, ancillary diagnostic techniques, and the application of pathology reports to management decisions. With Thyroid Cytopathology: A Text and Atlas, you can confidently identify even the most challenging specimens in a timely manner in order to optimize clinical response.

  • Sales Rank: #2302475 in eBooks
  • Published on: 2015-04-15
  • Released on: 2015-04-15
  • Format: Kindle eBook

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4 of 4 people found the following review helpful.
Great thyroid text
By LDG in Montgomery
This book is dense with anything you could possibly want to know about the topic of thyroid cytopath. As an atlas, the images are numerous, and their quality is good to very good. Some images are a little small, but it doesn't really detract from their utility. Lots of tables as well. There seem to be a number of very nice cytopath texts out there (Sidawy, Atkinson, Clark/Faquin, and even Renshaw), but this one is probably the best for this one specific topic. Highly recommended.

2 of 2 people found the following review helpful.
Great book
By GIS
Nice and plenty pictures, good pitfalls, extensive explanation of every aspect in thyroid lesions. Recommended.

0 of 0 people found the following review helpful.
All you need for thyroid FNA
By Mir
Basically everything you need to know on thyroid FNA.

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Senin, 20 Oktober 2014

[G869.Ebook] Ebook Tuning, Timbre, Spectrum, Scale, by William A. Sethares

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Tuning, Timbre, Spectrum, Scale, by William A. Sethares

The only things truly universal in music are those that are based on biological and/or perceptual facts. Tuning Timbre Spectrum Scale focuses on perceptions of consonance and dissonance, which are defined in the Harvard Dictionary of Music: ?Consonance is used to describe the agreeable effect produced by certain intervals as against the disagreeable effect produced others. Consonance and dissonance are the very foundation of harmonic music... consonance represents the element of smoothness and repose, while dissonance represents the no less important elements of roughness and irregularity.? TTSS begins by asking (and answering) the question: How can we build a device to measure consonance and dissonance? The remainder of the book describes the impact of such a ?dissonance meter? on music theory, on synthesizer design, on the construction of musical scales and tunings, on the design of musical instruments, and introduces related compositional techniques and new methods of musicological analyses. A new chapter contains a detailed explanation of how the software works. It incorporates several important simplifications over the full presentation in the current Chapter 7 in order to allow it to function in real time. Another new chapter describes the various ways that the software can be used. New sections throughout the book bring it up to date with the current state of the subject. TTSS offers a unique analysis of the relationship between the structure of sound and the structure of scale and will be use to musicians and composers who use inharmonic tones and sounds. This includes a large percentage of people composing and performing with modern musical synthesizers. It will be of use to arrangers, musicologists, and others interested in musical analysis. TTSS provides a unique approach to working with environmental sounds, and there are clear applications for the use of inharmonic sounds in film scoring. The book will also be of interest to engineers and others interested in the design of audio devices such as musical synthesizers, special effects devices, and keyboards.

  • Sales Rank: #1696205 in Books
  • Published on: 2004-11-04
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.21" h x 1.00" w x 6.14" l, 1.68 pounds
  • Binding: Hardcover
  • 426 pages

Most helpful customer reviews

52 of 60 people found the following review helpful.
A Landmark Book in the History of Musical Sounds
By James C Sethares
While experimenting with musical instruments and sounds, the author observed a new relationship between the timbre of sounds and the tunings in which sounds are played. In an effort to understand this relationship the author hypothesized a mechanism for relating spectrum to scale. He then went to the heart of the matter, figured it all out, and proved the hypothesis. All of this and much more are clearly presented in Tuning, Timbre, Spectrum, Scale (TTSS).
TTSS is written so as to be comprehensible to a wide readership. It was a pleasure reading this informative and stunning book. In places it is even entertaining as the author's sense of humor shows through. The book should eventually find its way into many libraries (public, private, and institutional) because it contains new and important original contributions to many areas of music.
There are 345 pages divided into 13 sections and 6 short appendices. There is an extensive bibliography, a discography, an index, and an accompanying Compact Disk containing 33 sound examples. All sound examples are explained in the book, and they provide convincing support for the author's premises.

A succinctly written Prelude tells what Tuning, Timbre, Spectrum, Scale is all about. I found myself looking forward to learning more about the ideas outlined here. You'll find yourself anxious to learn where a particular concept will lead. The author has a knack for gradually building up an idea to its climax while keeping the reader involved, and this is rare amongst books where new ideas are being presented.

The book begins, in Section 1, with a challenge to current thinking concerning the consonance of musical octaves. A new idea is presented and its validity demonstrated using audio examples on the accompanying CD. ... Superb demonstration!... Section 1 also introduces a unique and practical method of quantifying the tonal consonance of any musical sound. The next four sections are entitled respectively: The Science of Sound, Musical Scales, Consonance and Dissonance of Harmonic Sounds, and Related Spectra and Scales. These sections taught me much about musical sounds and concepts. They are well written and include many informative figures, and they provide descriptions of more unique audio examples on the CD.

The Science of Sound section addresses the issue: what is sound? This leads into clear discussions of relevant terms. The reader is taken on a fascinating journey into timbre, pitch, scales, tunings, spectral analysis, beats and consonance. After reading about Musical Scales, you'll feel like an expert, and gain an appreciation of scales since the time of Pythagoras. You'll understand the profound influence they have had over the centuries in defining musics of an era.

The next section on Consonance and Dissonance provides a historical perspective of the way in which these terms have been used, and then focuses on Sensory Consonance. This has the unique property, amongst consonance/dissonance concepts, of being quantifiable in a scientific sense. It is here that one discovers a fundamental connection between the consonance works of Helmholtz 1877, Plomp & Levett 1965 and Partch 1974, which leads to a reasonably complete understanding of sensory consonance. The plot thickens as the connection between sensory consonance and musical scales unfolds. This connection is then transformed into practice as the author creates new and unique songs, A Bell, A Rock and A Crystal. It is amazing to observe musical passages created in this way.

The following section, Adaptive Tunings, describes the author's algorithms for tuning in real time, or , as is sometimes described, how to "tune on the fly". Once again, the accompanying CD provides adaptively tuned musical passages verifying algorithmic predictions. It seems that music is about to expand its domain of musical sounds in a significant way. Read the book to find out why and how this is happening.

The book contains much, much more. There is a section on Gamelans, a theory for 10 TET, dissonance curve computer programs, sensory consonance score of a Scarlatti sonata, analysis and synthesis of harmonic and non-harmonic sounds. Fourier Transform analysis and limitations, dissonance surfaces for chords, and a well thought out final section: Speculation, Interpretation, Conclusion.

I believe the author also recognized a basic limitation of Western music, and again went to the heart of the problem, figured it all out, and then proved his point. The result of these efforts is this exceptional book.

7 of 8 people found the following review helpful.
An interesting combination of mathematics and psychoacoustics
By calvinnme
The author, while experimenting with a synthesizer, discovered that some kinds of scales sound good with some timbres and not with others, and likewise some kinds of timbres sound good in some scales and not in others. He set out to find out why, and the result was this book. The book examines these types of questions by looking at psychoacoustics and produces a model of musical perception that can predict what you will hear when you put certain timbres in specific musical contexts. The first few chapters examine the issues of tuning, timbre, spectrum, and scale in nonmathematical terms. Only in later chapters does the author introduce the math behind the modeling. A CD accompanies the book that allows you to listen to the sounds and the various tunings recommended in the book and verify that the model works correctly. This book is a good companion to Perry Cook's more basic book on psychoacoustics entitled "Music, Cognition, and Computerized Sound", which is a much less mathematical work. I enjoyed this book because I'm interested in multimedia computing and I'm always looking for texts that explore the relationship between images, sound, and mathematics. You'll need to be familiar with music theory before you tackle this book, since the author makes some assumptions there about his audience. However, he is fairly gentle with the mathematical portion.

0 of 0 people found the following review helpful.
Music theory from first principles
By Foo Bar
Current music theory starts with the Pythagorean assumption that two notes are consonant if their fundamental frequencies are a ratio of small numbers, like 1/2, 1/3, 2/3, 3/4, etc. Sethares shows where the assumption arises and shows how to measure the degree of consonance of two notes in a principled way. His approach also applies to instruments whose partials do not form a harmonic series, such as xylophones, pitched drums, and computer-generated tones. In my opinion, and with no exaggeration, he has made the biggest step in music theory since Pythagoras.

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[Y990.Ebook] Download PDF The Invention of Nature: Alexander von Humboldt's New World, by Andrea Wulf

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The Invention of Nature: Alexander von Humboldt's New World, by Andrea Wulf

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The Invention of Nature: Alexander von Humboldt's New World, by Andrea Wulf

The acclaimed author of Founding Gardeners reveals the forgotten life of Alexander von Humboldt, the visionary German naturalist whose ideas changed the way we see the natural world—and in the process created modern environmentalism.

NATIONAL BEST SELLER

One of the New York Times 10 Best Books of the Year

Winner of the Los Angeles Times Book Prize, The James Wright Award for Nature Writing, the Costa Biography Award, the Royal Geographic Society's Ness Award, the Sigurd F. Olson Nature Writing Award

Finalist for the Andrew Carnegie Medal for Excellence in Nonfiction, the Royal Society Science Book Prize, the Kirkus Prize Prize for Nonfiction, the Independent Bookshop Week Book Award

A Best Book of the Year: The New York Times, The Atlantic, The Economist, Nature, Jezebel, Kirkus Reviews, Publishers Weekly, New Scientist, The Independent, The Telegraph, The Sunday Times, The Evening Standard, The Spectator

Alexander von Humboldt (1769-1859) was the most famous scientist of his age, a visionary German naturalist and polymath whose discoveries forever changed the way we understand the natural world. Among his most revolutionary ideas was a radical conception of nature as a complex and interconnected global force that does not exist for the use of humankind alone. In North America, Humboldt’s name still graces towns, counties, parks, bays, lakes, mountains, and a river. And yet the man has been all but forgotten. 

In this illuminating biography, Andrea Wulf brings Humboldt’s extraordinary life back into focus: his prediction of human-induced climate change; his daring expeditions to the highest peaks of South America and to the anthrax-infected steppes of Siberia; his relationships with iconic figures, including Simón Bolívar and Thomas Jefferson; and the lasting influence of his writings on Darwin, Wordsworth, Goethe, Muir, Thoreau, and many others. Brilliantly researched and stunningly written, The Invention of Nature reveals the myriad ways in which Humboldt’s ideas form the foundation of modern environmentalism—and reminds us why they are as prescient and vital as ever.

  • Sales Rank: #2877 in Books
  • Published on: 2016-10-04
  • Released on: 2016-10-04
  • Original language: English
  • Number of items: 1
  • Dimensions: 7.99" h x 1.20" w x 5.18" l, .81 pounds
  • Binding: Paperback
  • 576 pages

Review
NATIONAL BEST SELLER

“Andrea Wulf reclaims Humboldt from the obscurity that has enveloped him. . . . [She] is as enthusiastic as her subject. . . . Vivid and exciting. . . . Wulf’s pulsating account brings this dazzling figure back into a dazzling, much-deserved focus.”
    —Matthew Price, The Boston Globe
 
“[Makes an] urgent argument for Humboldt’s relevance. The Humboldt in these pages is bracingly contemporary; he acts and speaks in the way that a polyglot intellectual from the year 2015 might, were he transported two centuries into the past and set out to enlighten the world’s benighted scientists and political rulers. . . . At times The Invention of Nature reads like pulp explorer fiction, a genre at least partially inspired by Humboldt’s own travelogues. . . . It is impossible to read The Invention of Nature without contracting Humboldt fever. Wulf makes Humboldtians of us all.”
     —Nathaniel Rich, New York Review of Books
 
“Alexander von Humboldt may have been the preeminent scientist of his era, second in fame only to Napoleon, but outside his native Germany his reputation has faded. Wulf does much to revive our appreciation of this ecological visionary through her lively, impressively researched account of his travels and exploits, reminding us of the lasting influence of his primary insight: that the Earth is a single, interconnected organism, one that can be catastrophically damaged by our own destructive actions.”    
     —The New York Times Book Review, Top 10 Books of the Year
 
“Engrossing. . . . Wulf magnificently recreates Humboldt’s dazzling, complex personality and the scope of his writing. . . . Her book fulfills her aim to restore Humboldt to his place ‘in the pantheon of nature and science,’ revealing his approach as a key source for our modern understanding of the natural world.” 
     —Jenny Uglow, The Wall Street Journal

“A magnificent work of resurrection, beautifully researched, elegantly written, a thrilling intellectual odyssey.”
      —Christopher Hart, The Sunday Times (London)
 
“The most complete portrait of one of the world’s most complete naturalists.” 
     —Mark Cocker, The Spectator (UK)
 
“From Russia to the jungles of South America to the Himalayas, an intrepid explorer’s travels make for exhilarating reading. . . . Wulf imbues Humboldt’s adventures . . . with something of the spirit of Tintin, relishing the jungles, mountains and dangerous animals at every turn. . . . A superior celebration of an adorable figure.” 
     —Simon Winder, The Guardian (London), Best Books of the Year

“Part biography, part vicarious travelogue, part history-of-ideas. . . . Argues, lyrically and compellingly, that the man who gave us ‘the concept of nature as we know it’ deserves not merely to be remembered, but to be celebrated once again.”    
     —The Atlantic

“A superb biography. Andrea Wulf makes an inspired case for Alexander von Humboldt to be considered the greatest scientist of the 19th century. . . . Wulf is especially good, [on the ways that] his ideas enjoyed an afterlife. . . . Ecologists today, Ms. Wulf argues, are Humboldtians at heart. With the immense challenge of grasping the global consequences of climate change, Humboldt’s interdisciplinary approach is more relevant than ever.”
     —The Economist, Best Books of the Year

“Marvelous. . . . On one level, [The Invention of Nature] is a rollicking adventure story. . . . Yet it is also a fascinating history of ideas.”
     —Sarah Darwin, Financial Times
 
“This book sets out to restore Humboldt to his rightful place in the pantheon of natural scientists. In the process, Wulf does a great deal more. This meticulously researched work—part biography, part cabinet of curiosities—takes us on an exhilarating armchair voyage through some of the world’s least hospitable regions, from the steaming Amazon basin to the ice-fringed peaks of Kazakhstan.”
     —Giles Milton, Mail on Sunday (London)

 “Arresting. . . . readable, thoughtful, and widely researched, and informed by German sources richer than the English canon.” 
     —Colin Thubron, The New York Times Book Review, “Editor’s Choice”

“In its mission to rescue Humboldt’s reputation from the crevasse he and many other German writers and scientists fell into after the Second World War, it succeeds.”
     —Joy lo Dico, The Independent (London)

“Luminously written.” 
     —Roger Cox, The Scotsman (Edinburgh)
 
“A dazzling account of Humboldt’s restless search for scientific, emotional and aesthetic satisfaction. Unapologetically in awe of her subject and intent on restoring Humboldt’s reputation, [Wulf] brings his ideas to the foreground—their emergence, spread and evolution after his death. . . . Wulf goes as far as to say that modern environmentalists, ecologists and nature writers are still drawing from his oeuvre, even if they have never heard of him. . . . With the environmental movement, ecology and climate science, Wulf argues, we may have entered another period in which connections predominate over isolated proofs, bringing renewed relevance to Humboldt’s grand visions of nature, the world and the universe.”
     —Patrick Wilcken, Literary Review (UK) 
 
“Wulf, a historian with an invaluable environmental perspective, presents with zest and eloquence the full story of Humboldt’s adventurous life and extraordinary achievements. . . .  Humboldt, Wulf convincingly argues in this enthralling, elucidating biography, was a genuine visionary, whose insights we need now more than ever.”
     —Donna Seaman, Booklist (starred review)
 
“I lavish praise on Andrea Wulf’s new book, The Invention of Nature. . . . The gist of my praise is simple. Wulf recognized not only a good story but also an important one. She has written a fascinating book about a fascinating man whose work influences our thinking even though his name is no longer widely remembered. . . . Wulf’s book is about a long-dead great man but also about ourselves.” 
     —Bill Streever, The Dallas Morning News
 
“Humboldt . . . electrified fellow polymaths such as Johann Wolfgang von Goethe, discovered climate zones, and grasped the impact of industrialization on nature. In her coruscating account, historian Andrea Wulf reveals an indefatigable adept of close observation with a gift for the long view, as happy running a series of 4,000 experiments on the galvanic response as he was exploring brutal terrain in Latin America.” 
     —Barbara Kiser, Nature
 
“Why is the man who predicted climate change forgotten? . . . German-born Andrea Wulf, author of The Invention of Nature: Alexander von Humboldt’s New World, has made it her mission to put a new shine on his reputation—and show why he still has much to teach us.” 
     —Simon Worrall, National Geographic
 
“Gripping. . . . Wulf has delved deep into her hero’s life and travelled widely to feel nature as he felt it. . . . No one who reads this brilliant book is likely to forget Humboldt.” 
     —Stephanie Pain, New Scientist
 
“Exuberant, delightful. . . . Wulf is unquestionably right that von Humboldt—a happy, sarcastic, preternaturally talented polymath—is far less well-known outside of Germany than he should be. If The Invention of Nature reaches the wide readership it deserves, we can hope that situation will change.” 
     —Steve Donoghue, Open Letters Monthly
 
“Wulf (Chasing Venus) makes an impassioned case for the reinstatement of the boundlessly energetic, perpetually curious, prolific polymath von Humboldt (1769–1859) as a key figure in the history of science. . . . Wulf’s stories of wilderness adventure and academic exchange flow easily, and her affection for von Humboldt is contagious.” 
     —Publishers Weekly (starred review), Best Books of the Year
 
“Engrossing. . . . Humboldt was the Einstein of the 19th century but far more widely read, and Wulf successfully combines a biography with an intoxicating history of his times.”
     —Kirkus Reviews (starred review), Best Books of the Year
 
“Andrea Wulf is a writer of rare sensibilities and passionate fascinations. I always trust her to take me on unforgettable journeys through amazing histories of botanical exploration and scientific unfolding. Her work is wonderful, her language sublime, her intelligence unflagging.”
     —Elizabeth Gilbert, bestselling author of The Signature of All Things and Big Magic
 
“The Invention of Nature is a big, magnificent, adventurous book—so vividly written and daringly researched—a geographical pilgrimage and an intellectual epic! With brilliant, surprising, and thought-provoking connections to Simón Bolívar, Charles Darwin, William Herschel, Charles Lyell, Walt Whitman, Edgar Allen Poe, Henry David Thoreau, and George Perkins Marsh. The book is a major achievement.” 
     —Richard Holmes, author of Coleridge and The Age of Wonder

“This is a truly wonderful book. The German-speaking world does not need to be reminded of Alexander Humboldt, the last universal genius of European history. The English-speaking world does, astonishingly, need such a reminder, and Andrea Wulf has told the tale with such brio, such understanding, such depth. The physical journeyings, all around South America when it was virtually terra incognita, are as exciting as the journeys of Humboldt’s mind into astronomy, literature, philosophy and every known branch of science. This is one of the most exciting intellectual biographies I have ever read, up there with Lewes’s Goethe and Ray Monk’s Wittgenstein. And all around the subject is the world, gradually learning to be modern—sometimes it knew it was being taught by Humboldt, sometimes not, but there is hardly a branch of knowledge which he did not touch and influence. Hoorah, hoorah!!” 
     —A. N. Wilson, author of The Victorians and Victoria: A Life
 
“Andrea Wulf’s marvelous book should go a long way towards putting this captivating eighteenth century German scientist, traveler and opinion-shaper back at the heart of the way we look at the world which Humboldt helped to interpret, and whose environmental problems he predicted. She has captured the excitement and intimacy of his experiences within the pages of this irresistible and consistently absorbing life of a man whose discoveries have shaped the way we see.” 
     —Miranda Seymour, author of Noble Endeavors: A History of England and Germany

About the Author
ANDREA WULF was born in India and moved to Germany as a child. She lives in London, where she trained as a design historian at the Royal College of Art. She is the author of Chasing Venus, Founding Gardeners, and The Brother Gardeners, which was long-listed for the Samuel Johnson Prize and awarded the American Horticultural Society Book Award. She has written for The New York Times, the Financial Times, The Wall Street Journal, and the Los Angeles Times. She appears regularly on radio and TV, and in 2014 copresented British Gardens in Time, a four-part series on BBC television.

www.andreawulf.com

Excerpt. © Reprinted by permission. All rights reserved.
Five months after his arrival, Humboldt finally left Quito on 9 June 1802. He still intended to travel to Lima, even though Captain Baudin wouldn’t be there. From Lima Humboldt hoped to find passage to Mexico, which he also wanted to explore. First, though, he was going to climb Chimborazo – the crown of his obsession. This majestic inactive volcano – a ‘monstrous colossus’ as Humboldt described it – was about one hundred miles to the south-west of Quito and rose to almost 21,000 feet.[7]7 

As Humboldt, Bonpland, Montúfar and José rode towards the volcano, they passed thick tropical vegetation. In the valleys they admired daturas with their large trumpet-shaped orange blossoms and bright red fuchsias with their almost unreal-looking sculptural petals. Then, as the men slowly ascended, these voluptuous blooms were replaced by open grass plains where herds of small llama-like vicuñas grazed. Then Chimborazo appeared on the horizon, standing alone on a high plateau, like a majestic dome. For several days as they approached, the mountain stood out against the vibrant blue of the sky with no cloud smudging its imposing outline. Whenever they stopped, an excited Humboldt took out his telescope. He saw a blanket of snow on the slopes and the landscape around Chimborazo appeared barren and desolate. Thousands of boulders and rocks covered the ground, as far as he could see. It was an otherworldly scenery. By now Humboldt had climbed so many volcanoes that he was the most experienced mountaineer in the world but Chimborazo was a daunting prospect even to him. But what appeared unreachable, Humboldt later explained, ‘exerts a mysterious pull’.

On 22 June they arrived at the foot of the volcano where they spent a fitful night in a small village. Early the next morning, Humboldt’s team began the ascent together with a group of local porters. They crossed the grassy plains and slopes on mules until they reached an altitude of 13,500 feet. As the rocks became steeper, they left the animals behind and continued on foot. The weather was turning against them. It had snowed during the night and the air was cold. Unlike the previous days, the summit of Chimborazo was shrouded in fog. Once in a while the fog lifted, granting them a brief yet tantalizing glimpse of the peak. It would be a long day.

At 15,600 feet their porters refused to go on. Humboldt, Bonpland, Montúfar and José divided the instruments between them and continued on their own. The fog held Chimborazo’s summit in its embrace. Soon they were crawling on all fours along a high ridge that narrowed to a dangerous two inches with steep cliffs falling away to their left and right – fittingly the Spanish called this ridge the cuchilla, or ‘knife edge’. Humboldt looked determinedly ahead. It didn’t help that the cold had numbed their hands and feet, nor that the foot that he had injured during a previous climb had become infected. Every step was leaden at this height. Nauseous and dizzy with altitude sickness, their eyes bloodshot and their gums bleeding, they suffered from a constant vertigo which, Humboldt later admitted, ‘was very dangerous, given the situation we were in’. On Pichincha Humboldt’s altitude sickness had been so severe that he had fainted. Here on the cuchilla, it could be fatal.

Despite these difficulties, Humboldt still had the energy to set up his instruments every few hundred feet as they ascended. The icy wind had chilled the brass instruments and handling the delicate screws and levers with half-frozen hands was almost impossible. He plunged his thermometer into the ground, read the barometer and collected air samples to analyse its chemical components. He measured humidity and tested the boiling point of water at different altitudes. They also kicked boulders down the precipitous slopes to test how far they would roll.

After an hour of treacherous climbing, the ridge became a little less steep but now sharp rocks tore their shoes and their feet began to bleed. Then, suddenly, the fog lifted, revealing Chimborazo’s white peak glinting in the sun, a little over 1,000 feet above them – but they also saw that their narrow ridge had ended. Instead, they were confronted by the mouth of a huge crevasse which opened in front of them. To get around it would have involved walking across a field of deep snow but by now it was 1 p.m. and the sun had melted the icy crust that covered the snow. When Montúfar gingerly tried to tread on it, he sank so deeply that he completely disappeared. There was no way to cross. As they paused, Humboldt took out the barometer again and measured their altitude at 19,413 feet. Though they wouldn’t make it to the summit, it still felt like being on the top of the world. No one had ever come this high – not even the early balloonists.

Looking down Chimborazo’s slopes and the mountain ranges in the distance, everything that Humboldt had seen in the previous years came together. His brother Wilhelm had long believed that Alexander’s mind was made ‘to connect ideas, to detect chains of things’. As he stood that day on Chimborazo, Humboldt absorbed what lay in front of him while his mind reached back to all the plants, rock formations and measurements that he had seen and taken on the slopes of the Alps, the Pyrenees and in Tenerife. Everything that he had ever observed fell into place. Nature, Humboldt realized, was a web of life and a global force. He was, a colleague later said, the first to understand that everything was interwoven as with ‘a thousand threads’. This new idea of nature was to change the way people understood the world.

Humboldt was struck by this ‘resemblance which we trace in climates the most distant from each other’. Here in the Andes, for example, grew a moss that reminded him of a species from the forests in northern Germany, thousands of miles away. On the mountains near Caracas he had examined rhododendron-like plants – alpine rose trees, as he called them – which were like those from the Swiss Alps. Later, in Mexico, he would find pines, cypresses and oaks that were similar to those that grew in Canada. Alpine plants could be found on the mountains of Switzerland, in Lapland and here in the Andes. Everything was connected.

For Humboldt, the days they had spent travelling from Quito and then climbing up Chimborazo had been like a botanical journey that moved from the Equator towards the poles – with the whole plant world seemingly layered one on top of the other as one ascended the mountains. The vegetation zones ranged from the tropical plants down in the valleys to the lichens that he had encountered near the snow line. Towards the end of his life, Humboldt often talked about understanding nature from ‘a higher point of view’ from which those connections could be seen; the moment when he had realized this was here, on Chimborazo. With ‘a single glance’, he suddenly saw the whole of nature laid out before him.

When they returned from Chimborazo, Humboldt was ready to formulate his new vision of nature. In the Andean foothills, he began to sketch his so-called Naturgemälde, an untranslatable German term that can mean a ‘painting of nature’ but it also implies a sense of unity or wholeness. It was, as Humboldt later explained, a ‘microcosm on one page’. Unlike the scientists who had previously classified the natural world into tight taxonomic units along a strict hierarchy, filling endless tables with categories, Humboldt now produced a drawing.

‘Nature was a living whole,’ he later said, not a ‘dead aggregate’. One single life, he said, had been poured over stones, plants, animals and mankind. It was this ‘universal profusion with which life is everywhere distributed’ that most impressed Humboldt. Even the atmosphere carried the kernels of future life – pollen, insect eggs and seeds. Life was everywhere and those ‘organic powers are incessantly at work’, he wrote. Humboldt was not so much interested in finding new isolated facts but in connecting them. Individual phenomena were only important ‘in their relation to the whole’, he explained. They were the parts that made the whole.

Depicting Chimborazo in cross-section, the Naturgemälde strikingly illustrated nature as a web in which everything was connected. On it, Humboldt showed plants distributed according to their altitudes, ranging from subterranean mushroom species to the lichens that grew just below the snow line. At the foot of the mountain was the tropical zone of palms and, further up, the oaks and fern-like shrubs that preferred a more temperate climate. Every plant was placed on the mountain precisely where Humboldt had found them.

Humboldt produced his first sketch of the Naturgemälde in South America and then published it later as a beautiful three-foot by two-foot drawing. To the left and right of the mountain he placed several columns that provided related details and information. By picking a particular height of the mountain (as given in metres in the first left- and right-hand column), one could trace connections across the table and the drawing of the mountain to learn about gravity, say, or the blueness of the sky, humidity, atmospheric pressure, temperature, chemical composition of the air, as well as what species of animals and plants could be found at different altitudes. Humboldt showed eleven zones of plants, along with details of how they were linked to changes in altitude, temperature and so on. All this information could then be linked to the other major mountains across the world, which were listed according to their height in the fourth column to the left.

This variety and richness, but also the simplicity of the scientific information depicted, was unprecedented. Humboldt was the first scientist to present such data visually. The Naturgemälde showed for the first time that nature was a global force with corresponding climate zones across continents. Humboldt saw ‘unity in variety’. Instead of placing plants in their taxonomic categories, he saw vegetation through the lens of climate and location: a radically new idea that still shapes our understanding of ecosystems today.
 
Excerpted from The Invention of Nature by Andrea Wulf. Copyright © 2015 by Andrea Wulf. Excerpted by permission of Knopf, a division of Random House LLC. All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher. 

Most helpful customer reviews

86 of 88 people found the following review helpful.
Good biography & argument for understanding nature passionately
By Montana Skyline
On first reading, I made the mistake of taking Wulf's book primarily as a biography of Alexander von Humbolt: It is that (and a good one), but foremost it is an argument for a new understanding of nature. I should have paid more attention to the first part of the book's title: "The Invention of Nature" Alexander von Humbolt's New World. Ms. Wulf is making the case that a proper understanding (not simply appreciation) of nature includes, perhaps requires, a passionate enthusiasm for nature, as well. She shows Humbolt as the embodiment of that new understanding -- romantic and poetic, as well as scientific. She then traces his influence in subsequent scientists, including Darwin, but even more in Thoreau, Marsh, Haeckel and Muir --- partly in their science, but particularly in their embrace of his enthusiasm. There is an inevitable tension between writing a personal biography and analyzing the intellectual/cultural history of an idea, i.e., a new "invention" or way of thinking about nature. On the whole, Wulf succeeds on both counts, and her book is both a pleasure to read and a genuine contribution to our history of thinking about nature. But the tension in her purposes does require some concessions.

Wulf deserves applause for her effort to restore Humbolt to his rightful place "in the pantheon of nature and science." The man was nothing short of remarkable and recognized as such in his time. It is unfortunate, and curious, that his fame has been largely eclipsed in the last century. Partly, this is a matter of accessibility: Not only was he remarkably prolific, but much of the work is simply unavailable to English-language readers. Some recent popular books have helped, e.g., Gerhard Helferich's 2011 "Humbolt's Cosmos," but much is either narrowly focused, outdated or unavailable outside research libraries. Wulf's remedy is the best contemporary biography of Humbolt, and that alone would make this book worth reading. Her particular service, however, is in providing an excellent summary of his principle ideas and new way of thinking about nature. From this foundation, she proceeds to make a strong case for his influence on subsequent generations of scientists and nature writers. Because Wulf is focused on Humbolt as the progenitor of a new ("invented") way of thinking about nature, a more comprehensive, and perhaps more complex, examination of the man gives way to the theme of influence on successors. This is not a defect in the book: It is a choice by the author to focus on the theme of a more subjective and impassioned understanding of nature, as embodied by Humbolt and then his successors. But it does mean that a more purely biographical "life" of Humbolt remains to be written.

Wulf's shifting focus from the man to the theme creates some tension. At times, Wulf works so hard at restoring a deserved luster to Humbolt and his ideas that she may go too far. One might get the impression not only that all his ideas were original, but that much (if not most) of subsequent nature science was derivative of Humbolt, from Darwin's thinking on evolution to contemporary climate science. Indeed, many of Humbolt's astute observations can find an echo is contemporary nature science. But many of his ideas regarding geology, species and the complex interaction in nature were "in the air" and under discussion at the time. In addition to some genuinely original concepts (e.g., climate bands or zones), Humbolt's great contribution was to focus and lend excitement to this new thinking. No small thing that! Moreover, Humbolt certainly was an inspiration to many subsequent (but equally original) scientists -- my own first inklings of Humbolt's influence came from reading Darwin's account of being inspired by Humbolt's South American explorations. In short, Humbolt not only made major substantive contributions to science, but his remarkable travels and passion for nature inspired many then and since. But how much contemporary science derives from his work, and why his contribution is nowadays less appreciated, is a larger and still open question.

This points to an additional caveat: In making the case not only for Humbolt's historical influence but contemporary relevance, Wulf sometimes leaves the impression that we are listening to her pronounce on contemporary issues, e.g., climate change, in Humbolt's voice. As noted, Wulf is making an unapologetic case for a subjective understanding and appreciation of nature. When Wulf relates the tale of an occasion when John Muir "jumping around and singing to 'glory in it all" derides a hiking companion for evidently too "cool" an appreciation of nature, she leaves no doubt where her sympathies lie. Fair enough, so long as one recognizes that this stance occasionally colors her treatment of Humbolt, as well as his successors. Since I suspect that most prospective readers are (like me) inclined to sympathize, this is unlikely to be a problem for most.

A final, non-trivial recommendation: In addition to being strong on substance, Wulf writes a very nice and expressive style, highly readable and nearly always interesting. This is a needed and well-done biography. As to Wulf's broader argument about the legitimacy and importance of including subjectivity and passion in our scientific understanding of nature, she makes a strong case and (needless to say) makes it passionately.

[Note: I re-wrote this review significantly upon reflecting on some thoughtful comments and responses by other readers -- thanks!]

161 of 170 people found the following review helpful.
Excellent and carefully objective biography
By Dame Droiture
This book is pretty much everything you'd want from a scientific/explorer biography. It has adventure (Humboldt, we learn, was the most experienced mountaineer of his time), deep personal narrative (largely from excerpts of his own letters and notes), details about his scientific discoveries, and -- bonus -- an analysis of both corresponding contemporary scientific thought AND contemporary *art*. We learn, for example, that one of Humboldt's friends was the poet Goethe, and that his, Humboldt's, insatiable curiosity about the natural world cannot be separated from his more aesthetic feelings about this world.

The book follows a chronological pattern, beginning with Humboldt's childhood; but it swiftly progresses to his first journey to South America. Readers looking for action, who want to get right to what started to make Humboldt so amazing, will not be disappointed with this relatively quick glance at his early years in Germany. The book is also loaded with grayscale images corresponding to Humboldt's travels, making pleasing breaks from pages and pages of text. My only complaint on this front is that the captions do not generally make it clear whether these images are contemporary.

One of the best features, I think, is the relatively objective quality of Wulf's narration. Two examples here on this: First, these early scientists often gleefully experimented on animals, and Humboldt was definitely no exception. But we get no PETA-like frowns from Wulf -- she only relays what Humboldt was, in fact, doing, and how *he* felt about it. Second, there are certain details about Humboldt's life that point towards his being either asexual or homosexual. Wulf provides these details not only with Humboldt's own remarks (towards his male scientific partners and friends in letters, for example), but also through others' contemporary observations about his character. Yet pleasingly, she does not really insinuate that he was anything at all; she does not say he was "probably" this or that. Instead, Wulf allows readers to make their own judgments if they should wish. (i.e. Maybe he was in love with his work?) This relative objectivity is a mark of good, or even great biography that will outlast decades -- all the clues, but not really any overt -- and importantly, unprovable -- interpretations.

Readers who enjoy science, literature, and outdoor adventure books should at least take a look at the previews of The Invention of Nature, for it's all of those genres rolled into one very good, very engaging read. With every new destination that Wulf chronicles here, I was excited to learn what Humboldt would see, do, and learn next.

8 of 8 people found the following review helpful.
an unforgettable reading journey....
By Douglas Zook
A very well-written book on arguably one of the most extraordinary and impactful persons the world has ever hosted, Alexander von Humboldt, would be a major challenge to anyone, given that it could easily be volumes of writing. But Andrea Wülf pulls out both highlights and specifics from her obviously extensive research and presents a highly readable experience that at times can have the reader on the proverbial edge of the seat. The book builds nicely on previous work by Aaron Sachs and especially Laura Dassow Walls and offers the most comprehensive view yet of someone i call the first "global ecologist," who was a courageous explorer but also a unique polymath and educator -- expert on plant geography, anthropology, physics, astronomy, history, meteorology, and a forerunner to the all-important field of climatology. Humboldt was all about what we need to be more of today -- realizing the vast chains of connection and mutual interdependence in the biosphere, learning from Nature and indigenous peoples, and practicing more humility in our daily ethics and ethos so as to be a better "fit" for the earth and its proven systems. The author does an excellent job also in explaining his unique duality of seeing Nature from careful science experimentation and observation yet always, he posited, interweaving the art, the imagination, the aesthetic. Indeed, so many of the great nature-paintings we know today, especially in North America as painted by Frederick Church and Thomas Cole and Martin Heade among others is due to Humboldt's influence. The book is an amazing excursion focused on a man who was held in the very highest esteem and admiration by the likes of Emerson, Thoreau, Poe, Goethe, Darwin, Muir, Bolivar, Haeckel, Church, and Thomas Jefferson. Wülf's work will help immensely too for those of us working to help rediscover Humboldt and his thinking -- especially needed today as we face the challenges of global anthropogenic-caused climate disruptions and extreme loss of biodiversity.

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