How 2023 Broke Our Climate Models with Neil deGrasse Tyson & Gavin Schmidt

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Published 2024-01-23
Why were climate models so wrong about 2023? Neil deGrasse Tyson learns about why 2023 was hotter than we expected it to be and what effects need to be factored into future climate modeling with climatologist at NASA Goddard Institute, Gavin Schmidt.

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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00:00 - Introduction: Climate Update
2:00 - 2023 Hottest Year on Record
6:55 - Why Our Predictions Were Wrong
8:49 - Factoring New Data & The Impact of Aerosols
11:52 - Could We Use Aerosols to Cool the Earth?
12:57 - We Have Agency
15:10 - What Happens to The Carbon in the Ocean?

All Comments (21)
  • @StarTalk
    What was your biggest takeaway from this Explainer?
  • @Corfal
    7:00 "When we don't understand something, there's science to be done." I love that statement
  • @assai74
    The irony of it all is that the climate or the earth does not give a dime about us human beings. It is not about saving the planet, it is about saving us!
  • You could tell me tomorrow in your voice we all are going to die and I’d take comfort hearing it from you. And take the rest of my time accordingly.
  • @MrStevemur
    The kidding around kept reminding me of the talk show in Don’t Look Up. That’s probably the most useful emotion we can express on YouTube though
  • @JohnDlugosz
    I'd like to point out that this was noticed in 2001. When air traffic was grounded for just a few days after the Sept-11 attack, the increase in warming was measured. As I recall, "pan evaporation rates" are daily measurements made in standard pans, as they are topped off each day. The effect of aerosols was dubbed "global dimming" and the irony that pollution was mitigating global warming was very much noted, too.
  • @ethermelt4780
    There was an episode of the Drew Carey Show where Drew complained about how cold the Cleveland winter was, so he angrily sprayed aerosol from his front door into the sky in order to accelerate global warming. That scene has stuck with me for over 20 years and the irony of it coming full circle is terrifying
  • Thank you for bringing you. You should consider captioning it in other languages for broader audiences! Probably through some partnerships, but that is also above my pay grade.
  • @gordowg1wg145
    Many years ago, there were one or two scientists pointing out the direct heating affect, from the energy released into the atmosphere, of the fossile fuels - basically the BTUs/calories in the fuel burned, which is millions of tons a year.
  • @Queenofcore
    Living out here on an island in the middle of the Pacific with a volcano on it, we know that the particulates in our air change our climate and the other thing that he didn’t really talk about, but is a big factor is that giant volcano that blew up and sent water aerosol vapor into the stratosphere, which is a big big deal and that’s why we were a bit hotter in 2023 because of that volcano
  • @nate3563
    No mention of Hunga Tonga-Hunga Ha'apai eruption, which was predicted to have significant impact on warming of the Earth. Most eruptions cause cooling, but in this case, it erupted under the ocean throwing water vapor into the upper atmosphere causing a heating affect. The moisture in the stratosphere incresed 10%-15% and is expected to last for many years.
  • @user-kp1cm6kj9f
    Thank you for all you do for us and the planet! Take good care of yourself, as we need you around!
  • @johnwarr7552
    I remember the late Brian Kaye saying that the only thing we can reliably predict about non-linear systems is that our predictions will probably be wrong.
  • @rufie83
    Niel made a mistake there : a millionth of a meter is not 1/1000 cm, but rather 1/1000 mm (or 1/10000 cm)
  • @fettbub92
    Science is always a fascinating mystery. Glad we still have passionate people involved in study.
  • @tombates1435
    Some people think the sooner we act, the better. I take the opposite view, because almost anything we do has unintended consequences. Better to continue to study and learn and improve technology, so that future solutions are not as burdensome, more likely to succeed, and have fewer unforeseen consequences.
  • @jpjpJPJPG
    Gavin Schmidt took a lot of shots in this lol, he handled it well
  • @billbucktube
    What I like about your output is that you follow the Dragnet TV show, “Just the facts…” You let the facts speak for themselves. “Truth” are facts as interpreted by someone. Bob and Charlie do a cross country race. Bob comes in first , Charlie 2 days later. Bob reports, “I came in first.” Charlie reports, “I came in second and Bob came in next to last.” Without the full context one can’t interpret the statements correctly. Both statements are true but only with all the facts can you interpret them accurately. Glad you are a fact chaser, a scientist.
  • @bens8696
    I’m curious to hear what your viewpoint is concerning solar/earth magnetic pole shift and weakening of the magnetosphere factor into these models. As well as galactic dust playing into these models? Is there any likelyhood these factors could play into climate models?