Warmist scientists suggest that our atmosphere is "laden with greenhouse gases"

End Near? Doomsday Clock Holds at 5 'Til Midnight | LiveScience

"2012 was the hottest year on record in the contiguous United States, marked by devastating drought and brutal storms," the letter says. "These extreme events are exactly what climate models predict for an atmosphere laden with greenhouse gases."
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"We have as much hope for Obama's second term in office as we did in 2010, when we moved back the hand of the Clock after his first year in office," Robert Socolow, chair of the board that determines the clock's position, said in a statement.

Flashback: Warmist Robert Socolow laments: "We are losing the argument with the general public, big time...I think the climate change activists, myself included, have lost the American middle"