President Donald Trump's administration has proposed revoking a scientific finding that's long been the central basis for U.S. action to regulate greenhouse gas emissions and fight climate change.

EPA Administrator Lee Zeldin said Tuesday he's issuing draft plans to overturn the agency's 2009 scientific finding that greenhouse gases threaten human health and welfare — a move guaranteed to spark ...

The oceanic "twilight zone" lies deep, and teems with life. We look at how this mysterious zone affects climate change.