As Colorado experiences more extreme weather, from prolonged droughts and wildfires to heavy rainfall and flooding, researchers are taking a closer look at a consequence of climate change: the ...

One climatologist said "a perfect storm" of climate extremes primed the western U.S. for one of its worst fire seasons in a decade. Meanwhile, Canadian wildfire smoke fills the air.

Add Yahoo as a preferred source to see more of our stories on Google. Centuries later, one of America's Founding Fathers' innovations is helping scientists today understand climate change. CBS News ...

Centuries later, one of America's Founding Fathers' innovations is helping scientists today understand climate change. CBS News Philadelphia's Brandon Goldner has the story. Florida 3-year-old dies ...