@CNN: Carbon dioxide (CO2), the No. 1 greenhouse gas leading to man-made global warming, has reached the highest concentration ever recorded on top of Hawaii’s Mauna Loa Observatory, where direct measurements have been taking place for more than 60 years https://t.co/RVBxTIoIOI https://t.co/61Jg5DBCOb

May 3, 2018 / The Arbiter / CNN

@CNN: Carbon dioxide (CO2), the No. 1 greenhouse gas leading to man-made global warming, has reached the highest concentration ever recorded on top of Hawaii’s Mauna Loa Observatory, where direct measurements have been taking place for more than 60 years https://t.co/RVBxTIoIOI https://t.co/61Jg5DBCOb

Carbon dioxide (CO2), the No. 1 greenhouse gas leading to man-made global warming, has reached the highest concentration ever recorded on top of Hawaii’s Mauna Loa Observatory, where direct measurements have been taking place for more than 60 years https://t.co/RVBxTIoIOI pic.twitter.com/61Jg5DBCOb

— CNN (@CNN) May 3, 2018

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