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Your once-in-a-lifetime chance to see a green comet named C/2021 A1 — a.k.a. Leonard — is here. Astronomy experts, including the comet's discoverer, offer tips on when and how to see the comet.
Like other comets, Leonard is a ball of frozen gas, rocks and dust.
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The retreat of glaciers in the Pacific mountains of British Columbia and Alaska could produce thousands of kilometres of potential new salmon habitat, a study led by researchers at Simon Fraser University shows.
The study, published Tuesday in Nature Communications, projects that more than 6,000 kilometres of new streams could be accessible to salmon by 2100, and just under one-third of that could be suitable for spawning.
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Climate change could cost Ontario's provincial and municipal governments up to $116 billion by the end of this century, according to a new report from the province's accountability officer.
In a stable climate, the province's maintenance costs would be $10 billion a year, amounting to about $799 billion by 2100.
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