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The floodwaters covering the former Semá:th X̱ó:tsa, or Sumas Lake — now called Sumas Prairie — contained 379 chemical components and bacteria, researchers found. Two-thirds were created by humans, including several that aren't found in nature.

The largest dam demolition and river restoration plan in the world could be close to reality as U.S. regulators vote on a plan to remove four aging hydroelectric structures, reopening hundreds of miles of California river habitat to imperilled salmon.

An explosion on Saturday, November 12, 2022, at an oil and gas site in northern Alberta claimed the lives of two workers.

Prime Minister Justin Trudeau has arrived in Thailand for meetings aimed at expanding Canada's trade with the Indo-Pacific region.

British Columbia's incoming premier says he will lead a government push to transform Vancouver's Downtown Eastside from a neighbourhood of desperation into one that's healthy and safe.

Andrew Arreak says travelling on the ice — the main highway in Canada's Arctic — provides access to the land and food, connects communities and is part of Inuit identity.

After long enjoying a reputation as a "bridge fuel" capable of helping the world achieve its climate goals, natural gas is losing some of its environmental lustre — and that has implications for Canada's energy sector.

As international climate talks in the Egyptian desert go into their final days, negotiators are trying to move key countries’ lines in the sand on multiple issues, including compensation for climate disasters, phasing down all fossil fuel use and additional financial help for poor nations.

Scientists have long warned that climate change and other threats will require relocating some endangered species outside their historic ranges. Now, U.S. officials are proposing rules that would enable them to use this new — and potentially controversial — conservation tool.

For Daniel Metheringham, fighting climate change is as much about securing an "assured supply" of french fries as it is about preventing global calamity. 

Open net-pen fish farming on the Pacific coast took a one-two punch after operations closures were announced in both B.C. and Washington state this week. 

The Climate Action Against Disinformation coalition, made up of organizations across Europe, Australia, Africa and North America, was formed at last year’s United Nations climate conference in Glasgow.

Countries are well behind on reaching an agreement at COP27 that outlines their collective climate action, but the G20 summit might have just nudged negotiators to find common ground.

Transport Canada estimates as much as $3.9 billion in trade activity was halted because of border blockades across the country related to protests against COVID-19 restrictions last winter.

Ontario's education workers have issued a second strike notice, saying contract talks are stalled over the Ford government’s unwillingness to invest more in services for students.