The length of annual heat streaks — the number of consecutive hot days — is increasing in these cities.
Here's how the number of days with extreme heat will rise in the second half of the century.
Climate change is one reason the area burned by western wildfires is increasing.
The number of large wildfires in the West is rising and climate change is playing a role.
Trends in nighttime temperatures are a symptom of a world warming from from climate change.
Here’s how climate change plays a role in tick migration and the spread of Lyme disease.
See the trend in hot days in these U.S. cities.
A small increase in average temperature leads to a big increase in extreme heat.