Koocanusa Reservoir north of the Libby Dam. (Image courtesy U.S. Forest Service) Officials in Lincoln County are asking the Montana Department of Environmental Quality to ease its standard for ...

A pair of Canadian environmental organizations have asked Canadian regulators to consider several issues that could throw a wrench in a major coal mine sale north of the Montana border. The request ...

Environmental groups in Montana and Idaho are defending a water quality standard Montana adopted in 2020 by suing a quasi-judicial board that’s spent the past year trying to invalidate it. The lawsuit ...

Koocanusa Reservoir north of the Libby Dam. (Image courtesy U.S. Forest Service) Nearly a dozen representatives from environmental groups and members of the public told the Department of Environmental ...

After more than a decade of pressure from tribal nations in the United States and Canada, and more recent pressure from U.S. Sen. Jon Tester and the federal government, Canada has agreed to join the U ...

Provincial government officials this month imposed more than $3.6 million in administrative penalties against British ...

Sen. Jon Tester has called for the U.S. and Canada to address water contamination flowing from British Columbia into Montana in accordance with the 1909 Boundary Waters Treaty. But if Canada remains ...

BILLINGS, Mont. (AP) — Officials from the U.S., Canada and several indigenous groups planned to announce a proposal on Monday to address longstanding pollution from coal mining in British Columbia ...

HELENA, MT — U.S. Geological Survey researchers say rising levels of nitrate and selenium in Canada’s Elk River are unparalleled in the annals of modern monitoring. The concentrations of selenium and ...

Mar. 18—If recent data from peamouth chub and other fish hold valid insight — and at least, biologists in Montana believe they do — selenium levels at Lake Koocanusa reach as high as 250% of what's ...