Dallas-Fort Worth must clean up its dirty air ... the council could receive a slice of a $4.6 billion pie the EPA plans to dole out nationwide to help implement clean air strategies.

Smoke, Screened: The Clean Air Act’s Dirty Secret is a collaboration of The California Newsroom, MuckRock and the Guardian. Molly Peterson is a reporter for The California Newsroom.

Nearly half of Americans exposed to unhealthy levels of smog and air pollution, study says 01:19. More than two of every five Americans reside in counties with unhealthy levels of smog and air ...

Anyway, in theory, the EPA could try to tighten clean-water rules, but power companies tend to be good at swatting away regulations they don't like: "In 2000, Environmental Protection Agency ...

Obviously, if the air filters in your home HVAC system are dirty, you should change them. But exactly how dirty is dirty? [Tim Rightnour] had heard it said that if you didn’t change your filt… ...

The Clean Air Tower, designed for Chinese cities, could de-pollute multiple city blocks at a time. Beijing is notorious for its record-breaking air pollution, but 12 other cities in China have ...

Smoke, Screened: The Clean Air Act’s Dirty Secret is a collaboration of The California Newsroom, MuckRock and the Guardian. Molly Peterson is a reporter for The California Newsroom.