With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes into the decision to play sports or not — and how to make sense of air ...

The air quality in Montreal on Tuesday morning was ranked the sixth worst in the world for major cities by IQAir.

Glaciers in western North America and Switzerland experienced their largest mass losses over the past four years ...

The critical challenge for communicating flash floods in Canada, like those in Texas, is ensuring that early warnings reach vulnerable populations.

Current wildfire smoke should leave the area just as fast as it came in, but in the meantime, air quality around West Central ...

Tree canopy coverage plays a crucial role in enhancing the quality of life in urban and rural environments. Healthy canopies ...

Windsor-Essex, Chatham-Kent and Sarnia-Lambton can all expect elevated air pollution levels again Tuesday. Environment and ...

Bella Bella, the main community of the Haíɫzaqv (Heiltsuk) Nation, perched on the central coast of British Columbia, can only ...

As climate change continues to impact Nova Scotia, the province is under yet another extreme heat warning. Environment Canada says conditions will be hot and humid across mainland Nova Scotia today ...

A storm that moved through the Airdrie area Sunday evening left its mark in several spots. Christy Climenhaga, a scientist ...