Extreme weather is happening more often in a warming world, especially in the past few years.
Higher temperatures from climate change mean more evaporation, which means more rain.
Climate change affects hurricanes by energizing them in a few important ways.
While Harvey was the most damaging weather event this summer, there were other extremes in the U.S.
See how the summer temperatures and rainfall compared to normal this year in these cities.
Climate change could be playing a role in algae blooms around the world.
The length of annual heat streaks — the number of consecutive hot days — is increasing in these cities.
These farming practices increase soil carbon.