It's estimated that 3.6 billion people are now living in places that are "highly susceptible to climate change," according to the World Health Organization. Climate change is expected to exacerbate a ...

New research from the University of Sydney has found that children are at a similar risk of dehydration and hyperthermia in extreme heat as adults, contradicting previous advice that children are more ...

Extreme heat is putting people’s mental health at risk, an Australian study warns, linking rising temperatures to a growing burden of mental and behavioural disorders. “From mild distress to serious ...

Heat stress happens when your body starts having problems regulating internal temperature due to high external temperatures. It may lead to heat-related illnesses like heat exhaustion and heatstroke.

The heat index is a measure of how hot it really feels on your body when relative humidity is factored in with the actual air temperature. Since heat index values were devised for shady, light wind ...

National Weather Service observations at Lehigh Valley International Airport show the heat index entered the triple digits Monday morning. What’s that mean? Well, it’s hot, of course — as anyone can ...

Summer 2025 has arrived. It's starting off hot, and the forecast says get used to it. A hot summer isn't just uncomfortable − it's dangerous. Heat killed more people in the United States in 2024 than ...

Exposure to wildfire smoke and heat stress can negatively affect birth outcomes for women, especially in climate-vulnerable neighborhoods, according to a recent study led by USC postdoctoral ...