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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.

Climate Change’s Role in Tick Migration

Climate Change’s Role in Tick Migration

Here’s how climate change plays a role in tick migration and the spread of Lyme disease.

More Water Flowing in California This Year

More Water Flowing in California This Year

More water is flowing this year in California from frequent storms and melting snowpack.