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More Downpours in the U.S.

More Downpours in the U.S.

The number of days with more than 3+ inches of rain is increasing in the U.S.

Climate Extremes Index

Climate Extremes Index

Extreme weather is happening more often in a warming world, especially in the past few years.

Warmer Air Means More Evaporation and Precipitation

Warmer Air Means More Evaporation and Precipitation

Higher temperatures from climate change mean more evaporation, which means more rain.

Hurricanes and Climate Change: What We Know

Hurricanes and Climate Change: What We Know

Climate change affects hurricanes by energizing them in a few important ways.

These Major Weather Events Defined Summer 2017

These Major Weather Events Defined Summer 2017

While Harvey was the most damaging weather event this summer, there were other extremes in the U.S.

2017 Summer Review

2017 Summer Review

See how the summer temperatures and rainfall compared to normal this year in these cities.

Algae Blooms and Climate Change

Algae Blooms and Climate Change

Climate change could be playing a role in algae blooms around the world.

Longer Heat Streaks Across the U.S.

Longer Heat Streaks Across the U.S.

The length of annual heat streaks — the number of consecutive hot days — is increasing in these cities.