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Articles on Ice

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Air bubbles trapped in ice cores taken from the Antarctic contain valuable information about past changes in the composition of the atmosphere. Xavier FAIN/IPEV/LGGE/CNRS

What CO₂ ‘jumps’ from Antarctic ice say about climate change

The equivalent of four more years of global CO₂ emissions could soon be released into the atmosphere, exacerbating climate change.
Ice and snow cover on a boreal forest lake in winter (Lake Simoncouche, Saguenay, Québec). (Noémie Gaudreault)

Lakes don’t sleep in winter! There’s a world living under ice

Canadians are no strangers to cold winters, when everything in nature appears to be frozen solid. However, under the ice cover of lakes, many animals remain active during the winter.
People walking on a pathway watch crews flood the ice on the Rideau Canal Skateway in Ottawa on Feb. 17, 2024. The Skateway opened in late January but mild weather and freezing rain forced it to close after only four days. THE CANADIAN PRESS/Justin Tang

How global warming is reshaping winter life in Canada

Global warming is melting away an iconic cornerstone of Canadian culture — outdoor skating.
A front-end loader dumps road salt into a truck in Chelsea, Mass. (AP Photo/Michael Dwyer)

‘Forever contaminant’ road salts pose an icy dilemma: Do we protect drivers or our fresh water?

Increasing awareness of the dangers ‘forever chemical’ road salts pose to our fresh water systems highlights the urgent importance of finding new approaches to de-icing our roads.

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