People and planet Environmental justice Topics View all Climate and energy People and planet Business and innovation Subcategories View all Clean air Food safety Fisheries and oceans Forests Clean water Chemicals and health Environmental justice Breaking May 6, 2022 Major oil refinery censured over toxic air Toxic pollution from Suncor oil refinery in Colorado exceeded permitted limits more than 500 times in two years Video May 4, 2022 Stopping pollution from Suncor refinery In a groundbreaking decision, the EPA questioned air pollution permits for one of the largest oil refineries in the Rocky Mountain region... 1 ... 3 4 The only climate stories you need, straight to your inbox