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Inhabitat
Apr 24, 2017, 9:36 am136 ptsRemember when carbon dioxide concentrations in the atmosphere reached 400 parts per million (ppm)? That's number's old news now - concentrations just reached 410 ppm for the first time in millions of years. Scientists warn the increasing levels of carbon dioxide will only go down when we reduce our carbon…
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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.