Thornbury, ON Current Weather

Poor, unsafe air quality remains in Ontario amid heavy wildfire smoke

Flames engulf halted Ontario train with workers inside

PHOTOS: Blanket of wildfire smoke creates eerie skies in Ontario and Quebec

Hazy, smoky skies blanket Ontario, how long will it last?

Ontario's AQHI is soaring. Here's what the numbers mean

At what air quality index level should you stay indoors?

Five years gone: July 15 marks day of Barrie's destructive 2021 tornado

Not just air quality, wildfire smoke impacts water, too

Experts are warning Canadians that another tickborne illness is on the rise

Looking back at the 2021 Barrie tornado with firsthand accounts

Best practices to keep yourself safe from wildfire smoke

Toronto shocked by pale, orange sky as smoke invades the city

Arctic Sea Ice Day: 5 facts about an at-risk, valuable climate asset

This familiar but invasive plant can take over in the heat

Massive asteroid flyby of Earth will be visible to billions of people. Here's when

Tick bite sends Canadian to the ER, but not for Lyme disease

How green spaces can keep urban cities cool in a warming world

Weird 'space balls' found washed up on a beach, what are they?

Is Canada baking? Here's what the latest drought analysis says

Can you blame the heat for slow internet?

Latest El Niño update shows stunning growth

The do's and don'ts of having a rain barrel

Jeremy Hansen is retiring, but Canada still supports NASA's return to the Moon

Rare EF-0 captured on camera on Prince Edward Island

Beating the heat with a fan? It may not be as effective as you think

Mushrooms in your lawn? What it means and what to do

Drowning deaths have spiked in this province

Finding holes in your lawn? How to keep damaging skunks at bay

One day, all of Earth's plants will disappear. Scientists think they know when

Tornadoes, heat and flooding continue to hit Prairies