Each of the National Parks faces unique challenges from climate change, including increased heat.
A large majority of states will face an increased threat of inland flooding by mid-century.
Allergy season is getting longer and worse in a warming world with more carbon dioxide.
The rapidly warming Arctic is already impacting Alaska, as earlier ice breakups on the Tanana River are more likely.
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.
A new report constructs a sea level timeline going way back. Hard to miss the human influence in the 20th century.
New analysis looks at the human-caused influence on the number of coastal flood days for various locations across the U.S.