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.

Authorities found a staggering $32 millon of illegal weed — more than 7,000 kg ... search warrants across six municipalities in Southern Ontario led to 21 people being arrested, who now ...

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 ...

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 ...

Smoke from out-of-control wildfires currently raging in large swaths of central and western Canada could impact southern Ontario as soon as tonight, according to an Environment Canada climatologist.

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 ...