A team led by biologists have identified the ways in which herbicide-resistant strains of the invasive common waterhemp weed have emerged ... of plants from Southern Ontario.

Air quality will begin to improve in southern Ontario as we conclude the weekend. You may have noticed a less smoky sunrise ...

They're huge, hairy and will cause your skin to erupt with oozing blisters - and they're here. For a second year, Caledon, Ont., has been invaded by giant hogweed, or Heracleum mantegazzianum, a ...

Folks in southern Ontario will need to keep an eye on the forecast and be weather-aware on Thursday, with another chance of thunderstorms popping up. Some locales, especially in southwestern ...

Southern Ontario is once again under a special air quality statement from Environment Canada on Friday morning due to smoke from wildfires. For the third straight day, the weather agency said the ...

Windsor became the first place in Ontario this year to reach the 20°C mark on Tuesday afternoon. Temperatures reached 21.4°C in Windsor, beating the city's previous record February high of 20.4 ...

Southern Ontario will kick off May with another potent thunderstorm risk, just a couple days after a round of severe weather led to widespread power outages after trees and hydro poles were downed in ...