Skiing at Lake Tahoe
November 19, 2018

From retreating snow elevations to rain-soaked powder, warming due to human-caused climate change will radically transform U.S. skiing over the remainder of the twenty-first century. 

August 1, 2018

In a sidebar to the State of the Climate in 2017 report,  experts describe how human-caused climate change is leading to longer, more damaging fire seasons in the evergreen-dominated boreal forests of Alaska, Canada, and Eurasia. 

August 1, 2018

As part of the State of the Climate in 2017 report, experts describe a record three-year-long episode of mass coral bleaching at tropical reefs worldwide. Previous global bleaching events required the presence of El Niño, but the devastating 2014–2017 event began before El Niño emerged and continued long after it ended—implicating human-caused global warming in the mass die offs.