The day after Americans go to the polls to choose their next president, the U.S. will become the first country in the world to withdraw from the Paris Accord.

After a UCP MLA's statement in the Alberta legislature on Wednesday expressed skepticism about the effects of climate change, the leader of the Opposition called on Premier Jason Kenney to publicly reject the comments.

Thousands of Californians were allowed to return to their homes Wednesday as calmer winds helped firefighters beat back two wind-driven wildfires that had spurred widespread evacuations.

Fierce winds that drove twin fires through brushy hills near cities in Orange County a day earlier were expected to pick back up, although not to the earlier extremes, according to the National Weather Service.

In late August, U.S. President Donald Trump rolled back one of the last major environmental regulations made under the Obama administration.

Internal polling obtained by Global News was likely used to guide the Trudeau government through a politically turbulent summer's end.

The MOSAiC Expedition is the largest polar expedition in history with researchers from 20 countries involved.

The smoke has caused emergency room visits to spike and potentially thousands of deaths among the elderly and infirm.

The carbon tax is already set to rise to $50 per tonne of emissions by 2022 and the Liberals have not said what the path for the levy might be after that.

The City of Laval announced that it's committed to reducing its greenhouse gas emissions by 33 per cent by 2035.