Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to global warming, climate scientists say. Carbon dioxide, known by the chemical formula ...

Plankton play a central role in a climate process that scientists now say may behave more aggressively than once thought. As ...

Today, scientists increasingly look to the oceans for an explanation, where the quiet work of microscopic organisms regulates ...

Forests play a major role pulling planet-warming carbon dioxide out of the atmosphere. As the world heats up, some forests are becoming emitters in their own right. By Sachi Kitajima Mulkey and Harry ...

Today, oxygen levels are significantly higher, weakening that feedback loop. As human activity continues to add CO₂ to the ...

Could a warming planet actually trigger a deep freeze? Discover how Earth’s tiny ocean organisms might flip the climate from ...

This year’s Conference of the Parties, the annual United Nations meeting meant to avert catastrophic climate change, was subject to a ham-fisted metaphor. On Thursday, the Brazilian venue hosting the ...

Research indicates that coral reefs have been tuning Earth's cycles for hundreds of millions of years. U.S. National Oceanic and Atmospheric Administration, public domain. Coral reefs are Earth’s most ...