Great Lakes winter ice cover declining 5% per decade, impacting ecosystems and a $7B fishing industry.

Winters on the Great Lakes are shortening by about two weeks per decade, with ice cover declining by 5% each decade since the 1970s. This trend, linked to rising temperatures and climate change, affects nutrient and oxygen circulation, potentially disrupting the lakes' ecosystems and the $7 billion fishing industry. Recent mid-winter thaws, such as in Wisconsin, further indicate the trend of shorter and warmer winters.

2 months ago
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