Explore the debate on climate change causes: human activities vs. natural variability. Discover the latest data, scientific consensus, and impacts of global warming.

Winters are getting warmer and shorter as the climate changes. That's helping rat populations grow in several U.S. cities.

A seemingly minor trickle of groundwater beneath Alaska’s tundra is quietly releasing vast amounts of carbon into the ocean.

Fossil fuel development may find it harder to get taxpayer funds in Australia after a "benchmark" case that opens the books ...

Back in 1824, a French physicist named Joseph Fourier made a breakthrough that would fundamentally change our understanding of how Earth's atmosphere works. He discovered the greenhouse effect, which ...

Millions of people around the world faced an average of 41 extra days of deadly hot weather because of the changing climate.