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Aug 11, 2016, 5:02 am327 pts
Green Car CongressReducing outdoor concentrations of two air pollutants, ozone (O3) and fine particulate matter (PM2.5), to levels below those set by the US Environmental Protection Agency would likely save thousands of lives each year, result in far fewer serious illnesses and reduce missed days of school and work, according to…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.
