The global ocean conveyor belt is slowing down, impacting climate, sea levels and marine life.
Drought and deluge are both expected to be more common in a warming world. See how far off these cities are from normal precipitation so far in 2018.
See the trends in minimum and maximum summer temperatures on this map.
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.