In 24 Years California Has Cut Toxic Air Pollution By 78%, Resulting in 82% Fewer Attributable Deaths
California’s air pollution control standards have drastically dropped the amount of diesel particulate matter in the air, and cardiopulmonary deaths attributable to air quality. Scientists at UC Berkeley are hailing the state’s diesel engine standards and other measures imposed over a number of years, even in the face of loosened environmental regulations in recent years.