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Hottest Days Coming Earlier

Hottest Days Coming Earlier

The first day with summer-like temperatures is happening earlier for most of these cities.

U.S. Warming Since the First Earth Day

U.S. Warming Since the First Earth Day

Since the first Earth Day in 1970, the average annual temperature in every state has climbed.

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.

Western Snowpack Up, But Less Likely in the Future

Western Snowpack Up, But Less Likely in the Future

Western snowpack at the end of the the wet season is up this year — but that's less likely in the future.

More Warm Spring Days

More Warm Spring Days

As the climate changes, see the trend in warmer-than-normal spring days in these cities.

Here’s Your 2016-17 Winter in Review

Here’s Your 2016-17 Winter in Review

See how many days this winter were warmer or colder than average in your city.

Maple Syrup Season and Climate Change

Maple Syrup Season and Climate Change

As the climate warms, maples are being tapped earlier in the year to get the sap that produces syrup.

Snow Cover on the Decline in North America

Snow Cover on the Decline in North America

Snow cover in North America is on the decline in part due to climate change.