Arizona saguaros are collapsing in this extreme heat, and experts are worried

The cacti usually live about 150 years, and inside their skin, they can reach up to 140 degrees inside. Still, the prolonged dryness and intense heat could be a problem.

Philly residents find new ways to stay cool in heatwave
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From cooling off in city fountains, to new shade stations in heat-vulnerable neighborhoods, Philadelphians are working to stay cool as heatwave persists.

July on track to be Earth's hottest month on record

Another month of record-breaking heat has brought the world into uncharted territory, scientists say.

N.J. officials warn pet owners of toxic algae in Camden County park

Camden County officials are warning the public to be on alert. They are warning of a toxic algae in a popular park. It’s especially dangerous to dogs.

Heat wave sitting over much of US Southwest, on track to break records

About a third of Americans were under extreme heat advisories, watches and warnings Saturday, with the heat expected to continue into next week.

Several cities have heat emergency plans. Are they enough in a warming world?

Natural disasters can be dramatic — barreling hurricanes, building-toppling tornadoes — but heat is more deadly. Many cities are beginning to plan their responses to the looming threat.

Drinking water from nearly half of US faucets contains PFAS, study says

PFAS chemicals have been linked in animal studies to some cancers, including kidney and testicular, plus issues such as high blood pressure and low birth weight.

Earth sees hottest day on record for third straight day

The daily highs are an indication that climate change is reaching uncharted territory, scientists say.

Ohio researchers develop new breed of honeybees to fight parasites

Central State University's breeding program aims to create worker bees with smaller mandibles known as 'Ohio Mite Biters.'