Amazon deforestation is close to tipping point

Deforestation of the Amazon is about to reach a threshold beyond which the region's tropical rainforest may undergo irreversible changes that transform the landscape into degraded savanna with sparse, shrubby plant cover ...

Will climate change leave tropical birds hung out to dry?

The future of the red-capped manakin and other tropical birds in Panama looks bleak. A University of Illinois research project spanning more than three decades and simulating another five decades analyzes how changes in rainfall ...

Garden of Eden: Paradise lost -- and found

Ancient gardens are the stuff of legend, from the Garden of Eden to the Hanging Gardens of Babylon. Now researchers at Tel Aviv University, in collaboration with Heidelberg University in Germany, have uncovered an ancient ...

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