The countries most affected by climate change are poor, rely heavily on agriculture for income, and are vulnerable to extreme ...

Explore the debate on climate change causes: human activities vs. natural variability. Discover the latest data, scientific ...

A rule known as the endangerment finding requires the E.P.A. to regulate greenhouse gases. It has proved resilient against ...

Earth's climate has changed throughout history for numerous reasons, but modern climate change is driven by human behavior.

The climate has changed in the past, long before humans, so how do scientists know our recent warming is caused by man?

By Raymond Zhong and Zach Levitt A rule known as the endangerment finding requires the E.P.A. to regulate greenhouse gases ... have long pledged to fight climate change. Has it done any good?

Utah atmospheric scientists reveal that a proposed "geoengineering" strategy to remove a potent greenhouse gas could worsen ...