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.
Take a look at how cold nights have been trending for various cities across the U.S.
Based on the 2010 Census and Climate Central's map analysis, climate change-related sea level rise has put more New Yorkers at risk of flooding from Hurricane Irene.
Some wild winter weather has hit parts of Central and Eastern regions of the U.S. in the past few weeks. We take a look at some of the hardest-hit regions.
Comparison of early to mid-summer conditions along the eastern seaboard vs. the West Coast.