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Inhabitat
Nov 28, 2014, 1:09 pm48 ptsThis week the EPA announced a proposal for a drastic cut in ground-level ozone standards in the U.S. in a bid to prevent air-quality-related health issues and reduce environmental impacts. Currently, the allowable level of ozone is 75 parts per billion (ppb). The EPA proposes reducing this to at least 65 to 70…
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