Why Recycling Plants Keep Catching on Fire

huge plume of black smoke, visible from miles around, continues to billow over a plastics recycling plant in the city of Richmond, Indiana, where a fire broke out Tuesday afternoon. Some 2,000 people living within half a mile of the facility were forced to evacuate to escape harmful fine particulate matter and potentially toxic chemicals in the air, and building debris falling on their lawns. Once lit, plastic fires are incredibly tough to put out, and officials say the plant will burn for several more days. As recycling plant fires...