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Grist
May 16, 2018, 7:01 pm116 ptsThought the ozone layer was safe? Think again. CFC-11 is an ozone-depleting chemical whose phase out agreed upon in the ’80s and has been under an international ban since 2010. That’s why National Ocean and Atmospheric Administration researchers were surprised to discover it’s increased in the atmosphere…
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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.