Warming temperatures combined with drought conditions are major factors for the increase in wildfires.
While Harvey was the most damaging weather event this summer, there were other extremes in the U.S.
See how the summer temperatures and rainfall compared to normal this year in these cities.
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.
We look at the general climate of Brazil and some of the potential climate change impacts there ahead of the Rio Olympics.
The average number of large wildfires burning across the Western U.S. each year has tripled from the 1970s to the 2010s.
The first-ever national analysis of state level preparedness for climate-driven, weather-related threats in all 50 states.