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.
Climate change is bringing more warm spring days — see how they are trending in your area.
This warming trend, combined with pollution from cars, power plants and chemical plants, is expected to increase the number of days each year that New Jersey residents inhale unsafe levels of ozone pollution.
U.S. states are getting warmer with climate change — check out how your state stacks up.
Happy Earth Day! Take a look at how much warming has occurred since the first Earth Day in 1970.
Local temperature data from 1970 to 2018 shows warming trends across the country — and Americans are already feeling the effects.
As the climate warms, heavy rain events are increasing across the country.