FILE - Federal officers disperse a crowd of protesters on October 6, 2020 in Portland, Oregon. (Nathan Howard/Getty Images)Night after night in Portland, tear gas and other crowd control devices have enveloped protesters and bystanders in airborne chemicals that settle on the ground, later to be washed into storm drains.Amid allegations that human health and the environment are suffering the consequences, five environmental groups represented by the ACLU of Oregon and others sued the Department of Homeland Security on Tuesday.
The federal lawsuit alleges the U.S. government violated federal environmental law by deploying “an unprecedented amount of dangerous chemical weapons” without assessing their environmental impacts beforehand, as.