Coal Mining

The entrance to a coal mine in northwest Colorado, taken in 2018.
WildEarth Guardians / Flickr (CC BY-NC-ND 2.0)

GILLETTE, Wyo. (AP) — U.S. regulators plan to finish reviewing a proposed coal mining joint venture in the first half of 2020.

Pollution from British Columbia coal mining operations is making its way into Montana and Idaho’s Kootenai River. A U.S. Environmental Protection Agency study found high levels of selenium in mountain whitefish eggs and that could be impacting the species’ reproduction.