Each of the National Parks faces unique challenges from climate change, including increased heat.
An early spring can disrupt plant & animal behaviors and make it more difficult on farming.
On the current greenhouse emissions path, spring may start an average of three weeks earlier by 2100.
As the climate warms, rising sea levels will mean more damage from hurricane storm surge.
The city recorded more than 7 inches of rain in 24 hours, the third-highest single day rainfall total for any day since record-keeping began in 1891.
Take a look at how cold nights have been trending for various cities across the U.S.
Photos from one of the worst tornado seasons to ever hit the U.S.
Striking photos from recent flooding of the Mississippi and Ohio Rivers.