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Graph with 800,000 years of atmospheric CO2 data from ice cores and direct atmospheric measurements, showing the current level is 423 parts per million, compared to the previous entire 800,000 years when it never exceeded 280 ppm. This is human-caused climate change.

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Graph with 800,000 years of atmospheric CO2 data from ice cores and direct atmospheric measurements, showing the current level is 423 parts per million, compared to the previous entire 800,000 years when it never exceeded 280 ppm. This is human-caused climate change.
https://fediscience.org/system/media_attachments/files/110/023/758/354/291/555/original/9bdf5194d6472ea7.jpeg

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Peter Gleick (petergleick@fediscience.org)'s status on Sunday, 09-Jul-2023 04:52:43 JST Peter Gleick

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(March 2023 update)

In conversation Sunday, 09-Jul-2023 04:52:43 JST from fediscience.org permalink