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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.

Area Burned by Wildfires is Increasing

Area Burned by Wildfires is Increasing

Climate change is one reason the area burned by western wildfires is increasing.

Number of Large Fires Rising in the West

Number of Large Fires Rising in the West

The number of large wildfires in the West is rising and climate change is playing a role.

Nights Are Getting Warmer Across the U.S.

Nights Are Getting Warmer Across the U.S.

Trends in nighttime temperatures are a symptom of a world warming from from climate change.

More Hot Days Across the U.S.

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

Small Change in Average, Big Change in Extremes

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

Hottest Days Coming Earlier

Hottest Days Coming Earlier

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

Rising Global Temperatures and CO2

Rising Global Temperatures and CO2

The amount of carbon dioxide in the atmosphere has a strong correlation with rising temperatures.