For years, Arizona governors failed to address climate change. Democrat Gov. Katie Hobbs' heat strategies continue to ignore ...

SAN DIEGO COUNTY, Calif. — With temperatures soaring across San Diego County, a new state-run online tool is helping residents find relief and stay safe in the sweltering conditions. The CalHeatScore ...

Scientists are mapping urban heat to save lives in overheated cities. Extreme heat doesn’t leave visible damage, but it’s one of the deadliest climate threats, especially in cities, where concrete ...

A heat dome is building over the western U.S., and temperatures are expected to reach up to 119 degrees in some areas. The extreme heat is expected to worsen wildfire conditions in California, Arizona ...

LUBBOCK, Texas — Summer is almost over in Lubbock, but residents are still feeling the heat, especially in some areas. The City of Lubbock, according to groups like ArcGIS, does experience urban heat ...

Twenty-eight counties across Florida are under an extreme heat warning July 29. The heat index could reach as high as 115 in some locations. See map of counties under extreme heat warning and heat ...

Nicole Brown Chau is a deputy managing editor for CBSNews.com. She writes and edits national news, health stories, explainers and more. The extreme heat that has baked much of the central United ...

A heat dome is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service issuing heat alerts from Nebraska to Florida. Dangerous heat threatens to bake ...

Results of a heat mapping effort in Clark County show the hottest spots included downtown Vancouver and the areas of Orchards, Fourth Plain and Fruit Valley. Higher temperatures were also recorded in ...

About 160 million people are currently being affected by a record-setting heat wave that extends from the Lower Mississippi Valley and Midwest to the East Coast, the National Weather Service said on ...

States across the central and eastern U.S. are under extreme heat watches and warnings as the areas face a dangerous heat wave throughout the first half of the week, according to the National Weather ...