pollution

Dirty lies: how the car industry hid the truth about diesel emissions - The Guardian The ‘Dieselgate’ scandal was suppressed for years – while we should have been driving electric cars. ohn German had not been looking to make a splash when he commissioned an examination of pollution from...

Since the 20th century, the Mississippi River has experienced major pollution and environmental problems – most notably elevated nutrient and chemical levels from agricultural runoff, the primary contributor to the Gulf of Mexico dead zone.