A new study shows that some of Yellowstone National Park’s forests may be at a climate tipping point, and could be replaced by grassland by the middle of this century.

A new film how India’s fast-expanding road networks is fragmenting the few remaining refuges of many endangered creatures. The results are hard to watch.

A team from Columbia’s Earth Institute is helping to research and design adaptation strategies to help save the world’s second largest barrier reef.

What’s a bog corer? And how do seeds help scientists learn about the earth’s past? A paleoecologist explains the most important items in her toolkit.

Recent research indicates that salt is accumulating in the environment and poses an emerging threat both to ecosystems and human health.

One science team is finding out why—and investigating what a warmer, drier future will mean for biodiversity and water supply in Latin America.

Park Williams, a bioclimatologist at Lamont-Doherty Earth Observatory, has found that rising temperatures influence wildfires in the American West.

A comprehensive plan outlines ways to clean up the Hudson River and reduce the impacts from development and climate change.

The end of a 52-year internal conflict could spell trouble for the second most biodiverse country in the world. A new study outlines a sustainable path forward.

In response to guidance from Earth Institute researchers, the largest mining companies in Guinea have committed to sharing sustainability best practices.