Hundreds of people working or playing outside – even those who seem healthy – succumb to heat-related illnesses each year.

Environment Canada has issued a widespread heat warning across several regions in Southern and Central Ontario, with ...

With little overnight relief from sweltering conditions, Environment Canada is advising Ontarians to stay cool and hydrated ...

“The first significant heat event of the season with dangerously hot and humid conditions will begin this afternoon and is ...

The second thing is to make sure they stay hydrated. Dementia can affect the ability to know when you’re thirsty, which makes ...

Summer is just getting started, and millions of people are under heat advisories as a major heat wave spreads across large parts of the central and eastern U.S. in June 2025. For many people, summer ...

Heat index values and the associated risk of heat-related impacts will be highest on Monday and Tuesday, with air temperatures forecast to hit 99 both days and heat index as high as 109.

Experts weigh in on the chemicals that can be found in drinking water, how it’s regulated, and what you can do if you’re worried about your water. ILLUSTRATIVE - Drinking water flows from the tap.