In the far northwest of Manitoba, the Seal River flows 260 kilometres through the thick boreal forest into Hudson Bay. It's the only major river in northern Manitoba without any dams. No roads lead to the river, and there's only one human settlement in the river's watershed. That community, the Sayisi Dene, is leading an initiative along with neighbouring Dene, Cree and Inuit communities to protect the 50,000 square kilometres of the watershed. That's an area of untouched wilderness roughly the size of Nova Scotia, which would be protected from industrial development if the community's proposal is accepted.