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climate change

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Five federal party leaders will face off in the first of two official election debates tonight, September 8, 2021, in what may well be their best chance to sway voters before election day on Sept. 20, 2021.

The U.N. 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 pandemic.