heat waves

For the last 30 years, heat has been the biggest weather-related cause of death in the nation. Now, there's a tool to help the public and decision-makers try and prevent that loss of life.

Heat waves are getting longer and more intense with climate change, which increases the risk of preterm birth. Pregnant women often don't hear about the dangers.

Trees are one of the best ways to fight deadly urban heat, but U.S. cities lose millions every year. And many low-income areas are starting at a disadvantage.

The spread of air conditioning may have kept some people from dying in this summer's extreme heat. But studies project more heat-related illnesses as the climate warms.