CO2 Averages 430ppm in May At Mauna Loabelow a screenshot of a...

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    CO2 Averages 430ppm in May At Mauna Loa

    below a screenshot of a key section of an essay by Ricky Lanusse published in The Environment and medium.com.

    https://hotcopper.com.au/data/attachments/7058/7058006-d8d425712966a4db9451d6da3e3b015d.jpg
 
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