Ralph Keeling state Hawaii covid-19 2020 pandemic Ralph Keeling state Hawaii

‘Uncharted territory’: Atmospheric CO2 hits highest concentration ever recorded

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WAIMEA, Hawaii - The Mauna Loa Observatory in Hawaii measured carbon dioxide levels in the atmosphere and found the highest concentration ever recorded on April 3.Researchers measured the average atmospheric carbon dioxide to be 421.21 parts per million, which means that humans have reached the halfway point to doubling pre-industrial levels of CO2."This work shows that CO2 is continuing to build up in the atmosphere.

The COVID situation didn't make a marked change in the buildup, nor would we have expected a big impact," Ralph Keeling, a principal investigator for the Atmospheric Oxygen Research Group and professor at Scripps Institution of Oceanography, told FOX Television Stations.The graphs show atmospheric carbon dioxide measured at.

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