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3 articles from CBC - Technology & Science News
Air quality briefly improved in 2020 due to COVID lockdowns, UN agency confirms
The UN weather agency says the world — and especially urban areas — experienced a brief, sharp drop in emissions of air pollutants last year amid lockdown measures and related travel restrictions put in place over the coronavirus...
Warming Arctic linked to polar vortex outbreaks farther south
Warming of the Arctic caused by climate change has increased the number of polar vortex outbreaks, when frigid air from the far north bathes other parts of the Northern Hemisphere in killer cold, a new study...
Liberals' climate plan gets top marks from economist, but Tories are not far behind
The federal Liberals come out on top of a new analysis on the effectiveness and cost to the economy of the climate change policies on offer by the four main federal parties running in the federal election, but the Conservatives plan sees them not far behind in second...