NPR

EPA tightens rules on some air pollution for the first time in over a decade

The new regulations could save thousands of lives from deadly air pollution, according to the U.S. Environmental Protection Agency's calculations.
Air pollution has fallen across the U.S. since the Clean Air Act of 1970. But some areas, like Los Angeles, still suffer heavy pollution from soot and smog. New rules on soot pollution from EPA aim to lower that pollution burden further.

When Cynthia Pinto-Cabrera developed asthma at 12, it didn't seem that unusual to her. Lots of her classmates in California's San Joaquin Valley carried inhalers to school. Her little brother needed a nebulizer every morning just to start his day breathing right.

But when she left the valley for college in Santa Barbara, Pinto-Cabrera encountered a world with far less air pollution than she had lived with. She found it shocking that other parts of the country simply lived with cleaner air— and their health benefited.

"A lot of people here in the valley don't really know asthma is not the normal," she says. "We've really normalized chronic illnesses."

Pinto-Cabrera is one of many people nationwide celebrating an announcement Wednesday from the U.S. Environmental Protection Agency, which unveiled new, stricter limits for one of the deadliest

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