Earth's carbon dioxide levels continue to climb

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orld levels of carbon dioxide in Earth’s atmosphere continue to climb.

ClimateProgress  tells us - “Global Carbon Dioxide Levels Just Hit A Disturbing New Threshold” – that in March that the whole planet has surpassed the 400 parts per million (ppm) benchmark for an entire month.

This is according to the National Oceanic and Atmospheric Administration (NOAA), which said that the 400.83 ppm was the average concentration of atmospheric carbon dioxide in the earth’s atmosphere throughout the whole of March.