The search for a site to store toxic waste has ended just north of Lake Superior near Ignace, Ontario. With the town and local First Nation’s support, it now moves ahead to various stages of review.

Canada and the U.S. are working together to stop a massive fish from gobbling up Great Lakes greenery.

Ontario’s highest court says seven youth have a right to challenge the province in cutting its emissions targets.

In Gogebic County, on the western end of Michigan’s Upper Peninsula, towering old-growth evergreens carpet the landscape as it rolls down toward the deep blue of Lake Superior.

Using trackers to follow the path of plastic bottles in rivers around the Greater Toronto Area, the students found hot spots for garbage before it enters Lake Ontario and Lake Erie.

Ontario’s southernmost herd illustrates how hard it is to bring a species back from the brink — and why we need to recognize tipping points before we reach them.

The new recovery strategy isn’t likely to tip the scales in the fish’s favor.

Indigenous communities in Ontario are flooded with mining claims that chip away at their territories. It’s a “racist, colonialist” system, the lawyer leading a new court case said.

A provincial spill report details a list of issues that arose as crews responded to an oil spill in two Toronto creeks that eventually made its way to Lake Ontario.

Last summer, contaminated sludge from a fire at a chemical plant reached Lake Ontario. The spill report raises questions about what the province told the public.

How unprecedented water levels are fluctuating in the Georgian Bay, impacting the lives of long-standing residents, including humans and trees.

Non-native species of salmon and trout have become an important part of Lake Ontario’s ecosystem. Keeping them healthy is often at odds with stocking fish for anglers.