The Trump administration is facing a new lawsuit over its decision to deregulate emissions and repeal a landmark scientific finding on climate pollution.

A coalition of health and environmental groups is suing the Environmental Protection Agency, challenging the rescinding of a scientific finding that has been the central basis for U.S. action to ...

The Amazon rainforest is so big that it makes its own climate. As they photosynthesise and transpire, its billions of trees collectively produce enough moisture to form clouds. These, by some ...

A new report finds that of 154 specific claims about how AI will benefit the climate, just a quarter cited academic research. A third included no evidence at all.

In ordinary circumstances coral reefs are among the most productive ecosystems on Earth, built slowly by animals that appear to be plants. Each coral polyp houses microscopic algae that convert ...

As the planet warms, many expected ecosystems to change faster and faster. Instead, a massive global study shows that species turnover has slowed by about one-third since the 1970s. Nature’s constant ...

Environmental and health groups sued the E.P.A. over its elimination of the endangerment finding. The matter is likely to end up before the Supreme Court.

Medical and environmental groups are challenging the EPA’s decision to break with the longstanding scientific evidence that ...

The Clean Air Act “does not provide EPA statutory authority to prescribe motor vehicle emission standards for the purpose of ...

An ecosystem is not a still life. Even where everything looks stable—a woodland, a lake, the soil—the internal "bookkeeping" ...

Below the surface, Greenland’s ice appears to be churning up, a process one scientist described as akin to a “boiling pot of pasta” ...