Scientists are using new techniques to identify previously undetected layers of cloud in the atmosphere, layers which will ...

Canada has officially marked its worst wildfire season on record, with smoke from the blazes crossing the Atlantic Ocean and reaching western Europe on Monday. Canada has had a dramatic ...

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path.

June 4, 2025 ...

Air quality is taking a hit in parts of the central and eastern United States as smoke from out-of-control wildfires in Canada pours south – but that isn’t the only thing millions of people will ...