Above: Satellite view of the Great Lakes on a recent clear day (December 22, 2019), showing less than 2% overall ice cover ... one-third of the population of Canada live within their drainage ...

If President Donald Trump's threat to tariff Canadian imports by 25% goes forward, 200 years of peaceful and profitable Great Lakes maritime trade will be at risk.

The United States and Canada should take stronger action against microplastic pollution in the Great Lakes, an international science advisory board recommended to the governments. The small ...

After nearly a week of freezing temperatures — below zero on several days — the Great Lakes are seeing significant ice creation, with Lake Erie nearly completely frozen over. Lake Erie was ...

Ice coverage for all of the Great Lakes combined was 23.21% – the highest since February 26, 2022, when it was 56.1%. At the beginning of this month, ice coverage was less than 2% across all the lakes ...