Up-to-date weekly average CO2 at Mauna Loa, Hawaii on the week beginning on April 26, 2020

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Weekly means for atmospheric #CO2 from the #NOAA #ESRL and its #MaunaLoa Observatory in #Hawaii, on the week beginning on April 26, 2020.
"If humanity wishes to preserve a planet similar to that on which #civilisation developed and to which life on #Earth is adapted, paleoclimate evidence and ongoing climate change suggest that CO2 will need to be reduced from its current 385 ppm [parts per million] to at most #350 ppm... If the present #overshoot of this target CO2 is not brief, there is a possibility of seeding irreversible catastrophic effects." ~James Hansen
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