Extreme weather needs extreme action

Last year, droughts devastated staple food crops across the developing world, cutting production by about half in some countries. A stream of reports from Central America, Eastern and Southern Africa as well as the Asia-Pacific ...

Even more amphibians are endangered than we thought

At least a quarter of the world's approximately 8,000 known species of amphibian are recognized as threatened and at risk of extinction. But due to a lack of data on many amphibian species, only about 44 percent of amphibians ...

The Isthmus of Panama: Out of the Deep Earth

As dates in geologic history go, the formation of the slender land bridge that joins South America and North America is a red-letter one. More than once over the past 100 million years, the two great landmasses have been ...

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