The number of days each year with extreme rainfall is, on average, increasing in every region of the U.S.
Februaries have warmed 1.01°C (1.82°F) globally since the first Winter Olympics in 1924.
Winter is losing its cool. See how much milder the coldest night of the year will be by mid-century.
2017 was the third warmest year in the global record. See how each continent ranked.
Globally, 2017 was the third warmest year on record. See what parts of the world were warmest.
Several states had one of their hottest years on record in 2017.
There have been 15 billion-dollar weather-related disasters in the U.S. in 2017, and the year may finish as the costliest on record.
The Northern Plains, Great Lakes, and the Northeast are warming the fastest, while warming is taking place at a slower rate in the western U.S.