This Ontario lake reveals the effect of humans on the planet, scientists say
September 26, 2025
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2:54Now PlayingThis Ontario lake reveals the effect of humans on the planet, scientists say
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as posted by the channelMilton's Crawford Lake is known as a popular place for hiking. But scientists say it also best exemplifies the moment — about 800 years ago — when we began to see the effect of humans on earth's ecosystems. CBC's Kirthana Sasitharan got a sneak peek of a new exhibition that tells the lake's story.
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