freeze-thaw cycles

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Canada jay numbers decline with climate
www.cbc.ca

Canada jay numbers in southern Ontario decreasing because of climate change, study suggests

University of Guelph researchers found the autumn freeze-thaw cycles caused by climate change are decimating Canada jays in southern Ontario.
Indigenous knowledge puts industrial pollution in perspective

Indigenous knowledge puts industrial pollution in perspective

A 3-year project documents how climate change is affecting the sequestration of decades-old mining by-products in Canadian lakes.
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