Canadian Fire NewsAir Force pushed to find alternative to ‘forever chemicals’ for firefighting – High Country News Posted on April 1, 2020 by Suzie Air Force pushed to find alternative to ‘forever chemicals’ for firefighting High Country News Powered by WPeMatico Suzie 3M, Air Force Hit With Firefighting Foam Lawsuit by Tribe (1) – Bloomberg Environment Calgary firefighters move to 24-hour shifts to cut exposure risk during COVID-19 pandemic – Calgary Herald