Record CO2 in the atmosphere - KTBS.com - Shreveport, LA News, Weather and Sports

Record CO2 in the atmosphere

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Carbon Dioxide levels peaked at 400 parts per million recently at NOAA'S Mauna Loa Observatory in Hawaii.  This is the highest concentration ever recorded in modern times and equals levels that occurred 3 million years ago in a very warm climatic era called Pliocene.

Could these high CO2 levels spell trouble for a very warm future?  Watch this ArkLaTex In Depth story for more.

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