"Russian mining giant admits pumping wastewater into Arctic tundra", 29 June 2020.

A Russian mining giant said...it had suspended workers at a metals plant who were responsible for pumping wastewater into nearby Arctic tundra. Independent newspaper Novaya Gazeta published videos from the scene showing large metal pipes carrying wastewater from the reservoir and dumping foaming liquid among nearby trees. A source told Interfax news agency on Sunday that about 6,000 cubic metres of liquid used to process minerals at the facility had been dumped, and that the discharge had lasted “several hours”...Norilsk Nickel cited a “flagrant violation of operating rules” in a statement announcing it had suspended employees responsible for dumping wastewater from a dangerously full reservoir into the natural environment. The incident occurred at the Talnakh enrichment plant near the Arctic city of Norilsk, the company said...