Teargas used on Portland protesters risks ‘grave health hazards’, says lawsuit

A new lawsuit filed by environmental and human rights groups in Oregon alleges that federal agencies’ use of chemical crowd control weapons in Portland, like CS gas, has created “potentially grave health and environmental hazards”, and that the use of such weapons should be subject to assessments of its environmental impact. The complaint filed Tuesday by Northwest Center for Alternatives to Pesticide (NCAP), Willamette Riverkeeper, Cascadia…