Warmer Arctic winters have prevented reindeer grazing and stunted the growth of calves, a new study shows.
An increase in methane, a much more potent gas than carbon dioxide, could make efforts to reduce climate change more difficult.
In this edition: How drought is affecting tree growers and forests in the Northeast; the outlook for EPA as Obama gives way to Trump; the #noDAPL effect.
Allegations of sexual harassment that surfaced at several national parks in 2016 are, to some insiders, a sign of a work culture long impaired by hierarchy and fiefdoms.
Researchers at the University of Michigan, with the help of Google, have launched an app and website to create more transparency in the lead-contamination crisis.
An administrator such as Scott Pruitt can steer in new directions, but that clout is offset by legions of staffers carrying on routines, enforcing rules, and, increasingly, caring about climate change.
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.