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    I Misunderstood the Greenhouse Effect. Here's How It Works.

    Sabine Hossenfelder

    5 HN recommenders · recommended in 6 months, 2023–2025

    YouTube

    19:07 · 989K views · Feb 4, 2023

    Sabine Hossenfelder explains how the greenhouse effect actually works, given that infrared is mostly absorbed low in the atmosphere already. She walks through why more CO2 still warms the surface.

    Recommended as an accessible, nuanced explanation of the mechanics of global warming, including the saturation puzzle.

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    7 comments from Hacker News

    1. @orwinMay 2023· in “Emissions are no longer following the worst case scenario”

      This is good news, somehow. Here is how the earth 'greenhouse effect' really works: this video This is why Co2 do not have any effect until it reaches the high troposphere. That takes 20 years. The average climate we have right now is caused by emissions from 2003. I'll repeat that in the comments of every climate article I read by the way, sorry for the repetition. M

      RecommendsView on HN
    2. @smonn_Apr 2023· in “Methane may not warm the Earth quite as much as previously thought”

      I'd recommend watching this video if you'd like to know the more nuanced story behind climate change: this video I am not qualified at all to really comment on it but this did open my eyes to how confusing the entire thing is.

      RecommendsView on HN
    3. @gcanyonFeb 2024· in “Xkcd: Greenhouse Effect”

      For anyone who's curious, here's an explanation of how the greenhouse effect works -- it's not just that some infrared radiation escapes from earth to space, while some other infrared radiation gets trapped. this video

      RecommendsView on HN
    4. @jandreseMay 2023· in “The Upper Atmosphere Is Cooling, Prompting New Climate Concerns”

      If you are confused as to why this is a bad thing this video explains the mechanics of global warming in a way anybody can understand. this video

      RecommendsView on HN
    5. @gcanyonOct 2025· in “Eliminating contrails from flying could be cheap”

      Related context: Sabine Hossenfelder's explanation of how the greenhouse effect works -- it's interesting and weird: this video

      RecommendsView on HN