'For something that happened so suddenly to change emission patterns so much, is very much unprecedented,' says an environmental analyst.

Air pollution, particularly CO2 emissions, have declined around the world, including parts of Asia that are 10 to 30 per cent lower than normal.

Satellite imagery shows the high levels of nitrogen dioxide over China went down as lockdowns and factory closures were enforced earlier this year, but it's starting to rise again as cases drop.

Don MacKenzie, the president of the Unifor local, says many of the approximately 170 laid-off workers were permitted to head home early on their last day.

Here's a quick glimpse at how the national price on pollution works in every province and territory.

Federal help could be on the way to update the North End Sewage Treatment Plant and fight pollution in Lake Winnipeg.

The next step will be to stabilize the vessel and remove bilge water and oil to assist in the righting of the ship, beginning in January.

"Northern Pulp's conclusion that there will be no significant lasting harm to the environment or human health is not credible or supported by science."

The study published Thursday in Marine Pollution Bulletin found an average of 137 pieces of plastic litter, dumped or lost fishing gear and other garbage per square kilometre of ocean.

A baby born in Canada today will never know a time in which his or her health isn't at risk from a warming planet, an annual look at climate change and human health reported Wednesday.