U.S. summer heat is on the rise — affecting health, agriculture, and energy costs.
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.
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.
As the climate warms, heavy rain events are increasing across the country.
Farmer suicides have disrupted India's countryside. Findings suggest climate change is playing a role.