As the number of large wildfires increases with climate change, so does the number of acres burned.
Hotter years have brought higher numbers of large western wildfires.
Prescribed burns — an important tool for reducing wildfire risk — are being unevenly applied across the country.
Ozone levels in Tucson and other Arizona urban areas are increasing as temperatures hit record or near-record levels every year with growing scientific consensus that continued increasing temperatures will make future ozone levels, and, in effect, health risks worse.
As the climate has warmed, here’s how extreme rainfall has changed in the U.S.
Climate change has made the year’s heaviest rainstorm even heavier. See the change in your area.
Climate change is making the wettest days wetter, heightening flood risks.