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Thread: Royal Society: Simple experiment on global warming

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    Wink Royal Society: Simple experiment on global warming

    A new balloon experiment (inadvertently) demonstrates just how weak and inconsequential CO2’s warming effect is.
    Levendis et al. (2020) tried using an experiment with air-filled (99% nitrogen and oxygen) versus CO2-filled (100% CO2) balloons to demonstrate a consequential warming effect for CO2. But their study may have demonstrated the opposite.

    In the experiment a heat source was applied and then removed (shut off) to 3 different-sized balloons with 100% (1,000,000 ppm) CO2 in them. They compared the rate of cooling for these CO2-filled balloons to the cooling rate for a balloon filled with regular room air that has ~790,000 ppm nitrogen (N2), ~210,000 ppm oxygen (O2), ~9,000 ppm Argon (Ar), and ~500 ppm CO2.

    The results revealed the temperature inside the 1,000,000 ppm CO2 balloons cooled just ~1.3°C (0.5 to 2.0°C) more slowly after 6½ minutes than the balloon with ambient air with ~500 ppm CO2. Put another way, raising CO2 concentrations from 500 ppm to 1,000,000 ppm only leads to a warming (reduced cooling) effect of 1.3°C.



    https://royalsocietypublishing.org/d...98/rsos.192075

    https://notrickszone.com/2020/12/03/...ersus-100-co2/
    Last edited by cancel2 2022; 12-04-2020 at 11:59 PM.

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    Not really sure what they are trying to prove anyway as the heat lost from the balloons is pretty all due to conduction and convection, not radiation.

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