When did Chile's air pollution problem begin?

Chile’s air pollution problem affects a great deal of the country, and not just the Santiago basin, though the metro district seems to be better known for its contaminated air, visual smog, and frequent pollution emergencies. read more

EPA's Air, Climate, and Energy Research conducts a vast amount of this research, producing findings and developing technology vital to our understanding of air pollution. For the most common pollutants, the research is compiled and synthesized every five years by EPA scientists to assess the adequacy of air regulations. read more