• cynar@lemmy.world
    link
    fedilink
    English
    arrow-up
    4
    ·
    24 hours ago

    They are, but clouds disproportionately reflect IR. Basically the energy comes in as a mix of high, medium and low energy light. The earth re-radiates as low energy IR. Clouds trap this keeping the warmth (and energy) in.

    Clouds and CO2 act in a similar way.