With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke from these flames.

When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...

Michigan has the highest percentage of water area among U.S. states, at 41.5%. Alaska has the largest total water area, while ...

If all that water was spread across the contiguous United States ... Ultimately, the Great Lakes Observing System plans to make the lakebed map accessible to everyone and easy to use.

What lies beneath the Great Lakes' waves is largely ... (Brian Spurlock/USA Today Sports/Reuters) Additionally, high-resolution maps would identify underwater outcroppings and ledges where fish ...

North America’s Great Lakes are the largest source of fresh surface water in the world. They are essential for cities, industries, and agriculture in eight states in the United States and one ...