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Remembering Alfred Russel Wallace
Alfred Russel Wallace c. 1895. Photo by London Stereoscopic & Photographic Company, now in the public domain. By Craig Leisher, senior social scientist Today marks the 100th anniversary of Alfred...
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Are Latin America’s Protected Areas Effective at Conserving Nature?
Sierra del Lacandon National Park, Guatemala. Photo: © Susan G. Ellis/TNC By Craig Leisher, Senior Social Scientist Protected areas are the single most important conservation strategy in the world, and...
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An Ounce of Prevention Worth a Pound of Cure? Not for Poverty and Conservation
School children enjoy working in their school’s vegetable garden in Ecuador’s Tungurahua Province. Photo: © Erika Nortemann/TNC By Craig Leisher, Senior Social Scientist Grant me the indulgence of...
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Winter Weight Gain and Why There Are More Plants and Animals in the Tropics
Walrus. Photo: Captain Budd Christman, NOAA Corps By Craig Leisher, Senior Social Scientist Every winter, no matter how hard I try to avoid it, I pack on five pounds. Perhaps it’s the big holiday meals...
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A Conservation Scientist’s Advice on “Green” Light Bulbs
The range of light bulbs currently found in the author’s home. Photo: Craig Leisher/TNC By Craig Leisher, Senior Social Scientist My takeaway lesson from long-term experiments with light bulbs in my...
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Leech Logic and the Need for Conservation Baselines
Implements used for bloodletting. Photo by Peter Merholz through a Creative Commons license. For more than 2,000 years, physicians used leeches to treat everything from hemorrhoids to headaches. Few...
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Mola Mola: The Weirdest Fish in the Ocean?
The Mola mola. Photo: Per-Ola Norman, released into public domain. By Craig Leisher When it hatches, a Mola mola is the size of a pinhead but will grow to be the heaviest bony fish in the ocean—and the...
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On Understanding Varying Approaches among Conservation Professionals
Madang Lagoon in Papua New Guinea. Photo: Wikimedia user Goldsztajn under a Creative Commons license. By Craig Leisher, Senior Social Scientist When was the last time you read a science journal article...
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NYC-DC: What’s the Best Way to Travel Green?
Image courtesy of A Dash of Scrapbooking. Craig Leisher is senior social scientist for The Nature Conservancy. The Washington DC to New York City trip and its reverse is one of the most traveled routes...
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Weekend Book Picks: The Sixth Extinction
A Sumatran rhinoceros (Dicerorhinus sumatrensis). Photo by Flickr user Willem v Strien through a Creative Commons license. The Sixth Extinction: An Unnatural History. By Elizabeth Kolbert. 2014. Henry...
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