Oklahoma Attorney General Scott Pruitt has led the fight by Republican-led states against the Obama administration's Clean Power Plan, which calls on states to cut greenhouse-gas emissions.
Two studies published Wednesday in the journal Nature reached opposing conclusions about ice melt in Greenland over the past millions of years.
The ice shelf in Antarctica was photographed in a new, wide-ranging mission by NASA.
Al Gore's visit to Trump Tower has stirred hopes that the president-elect may be adjusting his stance on climate change. Environmentalists say Trump's cabinet picks will be telling.
On Monday, Mexico established 160 million acres in biological reserves, surpassing UN targets three years early.
New climate models have allowed scientists to simulate future thunderstorms. Some states already being ravaged by flooding might expect more of the same, if global warming continues at current levels.
Former vice president and Nobel Peace Prize laureate Al Gore met with President-elect Donald Trump on Monday to talk about climate change.
Although Trump and Obama agendas differ, some forces tilt toward continuity, Gina McCarthy of the Environmental Protection Agency says.
The decision to block construction of a controversial portion of the Dakota Access Pipeline could be overturned by Donald Trump. But it could also kindle new activism.
The US Army Corps of Engineers said Sunday that it will not grant an easement for the Dakota Access oil pipeline in southern North Dakota.
Animal rights activists, some of whom argue the hunt is inhumane, plan to stage protests as the second segment of this year’s hunt begins on Monday.
The Carnival Corporation will plead guilty to seven felony counts related to illegally dumping ships' contaminated waste and intentionally trying to cover it up, the US Justice Department said Thursday.