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More Hot Days Across the U.S.

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More Hot Days Across the U.S.

See the trend in hot days in these U.S. cities.

Small Change in Average, Big Change in Extremes

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Small Change in Average, Big Change in Extremes

A small increase in average temperature leads to a big increase in extreme heat.

Days Above 100°F: Projections

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Days Above 100°F: Projections

This is how hot the United States could be in the future.

Oceans Are Heating Up

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Oceans Are Heating Up

This is the change in sea surface temperature since 1901.

Dead Zones: Warming Oceans Hold Less Oxygen

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Dead Zones: Warming Oceans Hold Less Oxygen

Warming waters are decreasing oxygen in the oceans, creating dead zones for marine plants and animals.

As CO2 Goes Up, Ocean Health Goes Down

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As CO2 Goes Up, Ocean Health Goes Down

Excessive carbon emissions are worsening the ocean's health.

Summers Are Getting Hotter

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Summers Are Getting Hotter

Summers are getting hotter across most of the country.

Climate-Friendly Cars by State

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Climate-Friendly Cars by State

A car’s climate impact depends on three main factors: the efficiency of the car, the distance driven, and in the case of electric and plug-in hybrid cars, how the electricity it uses is generated.