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EPA report finds that our air isn't as clean as we thought.

Sierra Club Launches Bad Air Alert Text System

EPA report finds air not as healthy as previously thought In late August the Environmental Protection Agency (EPA) released its latest smog pollution policy assessment with an unsettling finding. What were thought as “safe” levels of smog pollution are not so safe after all. The report recommends revising the current health-based national ambient air quality standard for ozone from 75 parts per billion…

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