Five cases of malaria have been confirmed in Florida and Texas, the first time the potentially fatal mosquito-borne disease has been locally acquired in the United States in 20 years, the Centers for Disease Control and Prevention said Monday

The largest insurer in California said it would stop offering new coverage. It’s part of a broader trend of companies pulling back from dangerous areas.

Pathogens in soil are a danger to firefighters, but smoke may transport spores that cause valley fever and other infections into cities too.

The healthcare system's climate practices are costing high sums of money — and are taking years off lives — according to a Sept. 15 report from the House of Representatives' Ways and Means Committee.