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Unlike most annual crops, the roots of long-lived trees can penetrate through soils to great depth to reach water (Figure 1).  If we can’t tell how deeply roots penetrate, how do we determine when trees run out of water?  One way is to monitor the...

Untreatable gonorrhea is now a reality—and a sign of a growing threat to public health. Last month, the World Health Organization reported...

Stephen R. Kellert | Island Press

From the Yale School of Forestry and Environmental Studies

Stephen R. Kellert ’71 Ph.D., a revered...

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The agenda for cities of the future is to have more sustainable transport options available so that a city can indeed reduce its traffic whilst reducing its greenhouse gases 50 percent by 2050 (the global agenda set through the International Panel on...

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How long should a leaf live? When should blueberries ripen? What should a clever moose eat?

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What does it mean to conserve is an era of ever growing rates of cultural, social, and ecological change? One dictionary definition of conservation I found defined it as the act of preserving, guarding, or protecting. But what does one guard or...

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What does religion have to do with the environment? Let John Grim and Mary Evelyn Tucker explain in their must-read book, Ecology and Religion. Grim and Tucker argue that the...

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