The world's tallest land animal is being pushed toward extinction, conservationists said Thursday, adding giraffes to the 'Red List' of threatened species.
A new study by Brookings found increases in natural gas and nuclear energy for electricity generation have allowed parts of the US to 'decouple,' with states reducing their carbon dioxide emissions but seeing their economies grow.
Drought has killed many young trees on farms across New England. Farmers are strugglng to adapt, by planting new varieties and considering drip irrigation systems.
In this edition: The EPA seeks to lock in its ambitious fuel-economy target before the presidency changes hands; mayors chart megacity emission cuts; Vietnam battles beach erosion.
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.