Arctic

Scientists are tracking neurotoxic methylmercury production in North America’s largest peatland.

Scientists have long believed that rapid warming in the Arctic would cause river channels to move faster, but a new study has found the opposite may be true for large, winding rivers in the region.

Not only does its disappearance sound an unexpected warning bell for climate change and the carbon cycle, it also means there may be little time left to learn from the Arctic’s unique ecosystems — before they disappear.

Spokesman Daniel Le Bouthillier said in a statement that the armed forces have tracked and stopped attempts to surveil Canadian territory since 2022 under Operation LIMPID.

Frozen rivers are vital transportation routes for communities outside Alaska’s traditional road system.

Calls grow for mandatory measures to reduce underwater noise pollution as melting ice opens up shipping routes.

The 11th annual Arctic Inspiration Prize was awarded at a ceremony in Ottawa to celebrate Indigenous excellence, resilience and innovation.

Earth’s protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says.

In a world getting used to extreme weather, 2023 is starting out more bonkers than ever and meteorologists are saying it’s natural weather weirdness with a bit of help from human-caused climate change.

The prevailing hypothesis is that climate warming is causing underlying permafrost to degrade.

Inuvialuit fishers are adapting to rising numbers of Pacific salmon in the western Canadian Arctic, but fears remain about impacts on native species.

A new report from dozens of international scientists says it's inevitable the Arctic will lose its entire summer sea cover at least once over the next generation and probably a lot more often than that.

Artist Siobhán McDonald will turn the recordings into an acoustic installation exploring humanity’s impact on the ocean.

On a thermometer, a tenth of a degree seems tiny, barely noticeable. But small changes in average temperature can reverberate in a global climate to turn into big disasters as weather gets wilder and more extreme in a warmer world.

Prime Minister Justin Trudeau arrived in this remote northern community on Thursday, August 25, 2022, to attend the Canadian military’s largest Arctic training exercise, in what many see as a clear signal that defending Canada's North is now a top priority for his government.