Parts of the U.S. may see 90 percent fewer days mid-century with average temps below 32°F.
Here's which cities might get a white Christmas based on historical records.
Each of the lower 48 states is having one of its 10 hottest years on record.
See where climate change is affecting U.S. coastal flooding the most.
Here's where in the U.S. the frost free season is growing the fastest.
Watch 2016’s Arctic sea ice melt away in seconds.
Large sections of the global oceans have warmed 1°-3°F during the last century.
We analyze what cities in the U.S. have warmed the most in the last 50 years, both nationally and regionally.