Five environmental groups filed a lawsuit against the Department of Homeland Security (DHS) on Tuesday for using tear gas at the protests in Portland, Ore.
A final remediation plan released by the provincial government this week is seen as a positive step in ending six decades of pollution from the mine on the Alaska border — but it's still unclear who'll foot the bill.
The lawsuit, filed in U.S. District Court in Anchorage, seeks to overturn the July 23 approval issued for the Ambler Mining District Industrial Access Project.
Arizona environmental regulators say the Hillside Mine once produced gold, copper, silver, lead and zinc. But the operation in the hills of Yavapai County shut down in about 1950, and mining hasn't resumed since.
The Gulf of Mexico is littered with tens of thousands of abandoned oil and gas wells, and toothless regulation leaves climate warming gas emissions unchecked.
