Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

CASTLE DALE, UT - OCTOBER  9: Emissions rise from the smokestacks of Pacificorp's 1440 megawatt coal fired power plant on October 9, 2017 in Castle Dale, Utah.  It was announced today that the Trump administration's EPA will repeal the Clean Power Plan,that was put in place by the Obama administration.  (Photo by George Frey/Getty Images)
CASTLE DALE, UT - OCTOBER  9: Emissions rise from the smokestacks of Pacificorp's 1440 megawatt coal fired power plant on October 9, 2017 in Castle Dale, Utah.  It was announced today that the Trump administration's EPA will repeal the Clean Power Plan,that was put in place by the Obama administration.  (Photo by George Frey/Getty Images)

    JUST WATCHED

    Carbon dioxide levels highest in 800,000 years

MUST WATCH

Carbon dioxide levels highest in 800,000 years

2016 had the highest rate of increase of carbon dioxide in the atmosphere in our recorded history, according to the World Meteorological Association. CNN's Meteorologist Chad Myers explains.

Carbon dioxide levels highest in 800,000 years

2016 had the highest rate of increase of carbon dioxide in the atmosphere in our recorded history, according to the World Meteorological Association. CNN's Meteorologist Chad Myers explains.