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    TUHOKlimaticka zmena / Thank you so much for ruining my day
    PALEONTOLOG
    PALEONTOLOG --- ---
    YMLADRIS: a jak asi dodas do atmo SO2, aniz bys pri tom palila sirnata fosilni paliva, tedy zvysovala sklenikovy emise?
    YMLADRIS
    YMLADRIS --- ---
    To jo vědci napíšou další strongly worded email, meanwhile

    PALEONTOLOG
    PALEONTOLOG --- ---
    YMLADRIS: je tam vic hlasu proti, hansen pusobi spis jako progresivni uchyl, dr. mengele chces li
    YMLADRIS
    YMLADRIS --- ---
    PALEONTOLOG: Mann nějak magicky zařídí, aby se to nedělalo?

    By mohl i světový mír, třeba
    PALEONTOLOG
    PALEONTOLOG --- ---
    YMLADRIS: precetla sis clanek, kde hansenovi opunuje i mann, ale ty uz mas rychle jasno, co
    YMLADRIS
    YMLADRIS --- ---
    PALEONTOLOG: je to levné, můžou to dělat i soukromí aktoři (viz Make Sunsets apod). Protože to jde dělat, bude se to dělat. Na rozdíl od uhlíkové daně kterou nám bohužel zakazují zákony termodynamiky
    PALEONTOLOG
    PALEONTOLOG --- ---
    YMLADRIS: jakoze reseni nemoznosti snizit emise CO2 nutne znamena zvysit obsah SOx, protoze jsme pozorovali na oceanskym transitu zmenu pri odsireni nafty. hm co by se na tom tak mohlo pokazit?
    YMLADRIS
    YMLADRIS --- ---
    BOREC: rozhodí se tím kde co. Největší risk je, že pokud se s tím abruptně přestane, teplota velmi rychle poskočí nahoru, na což se neadaptuje fakt nic

    Krátké video

    Geoengineering: A Horrible Idea We Might Have to Do
    https://youtu.be/dSu5sXmsur4?si=d-iizlRc2qny-uHj
    BOREC
    BOREC --- ---
    YMLADRIS: opravdu se moc těším až nám bude ba hlavy pršet kyselina sírová
    YMLADRIS
    YMLADRIS --- ---
    Tak už to neříká jen Stephenson a já :) že další krok bude síra, nově to slyším od Hansena

    James Hansen Calls for Geoengineering as a Climate Solution | TIME
    https://time.com/6330957/james-hansen-climate-warning-geoengineering-study/
    SMYSLOV
    SMYSLOV --- ---

    tento čtvrtek 9. listopadu od 19.30
    filmová premiéra participativního dokumentu
    Žalovat a chránit
    v Kapusu Hybernská
    vstup zdarma
    TADEAS
    TADEAS --- ---
    New Study Warns of an Imminent Spike of Planetary Warming and Deepens Divides Among Climate Scientists - Inside Climate News
    https://insideclimatenews.org/news/02112023/study-warns-of-spike-of-warming-divides-climate-scientists/

    the research was controversial even before it was published, and it may widen the rifts in the climate science community and in the broader public conversation about the severity and imminence of climate impacts, with Hansen criticizing the United Nations Intergovernmental Panel on Climate Change for underestimating future warming, while other researchers, including IPCC authors, lambasted the new study.

    The research suggests that an ongoing reduction of sulfuric air pollution particles called aerosols could send the global average annual temperature soaring beyond the targets of the Paris climate agreement much sooner than expected, which would sharply increase the challenges faced by countries working to limit harmful climate change under international agreements on an already treacherous geopolitical stage.

    ...

    Combining the the paleoclimate data with modeling and detailed observations from the last few decades, the team concluded that the world is in for a wild ride of climate impacts, including possible superstorms that could toss house-sized boulders to the top of seaside cliffs, radical changes to global rainfall patterns that would affect agriculture in densely populated regions and possibly several meters of sea level rise by 2100, as compared to the IPCC-projected range of .29 to 1.1 meters.

    ...

    Hansen’s new research about the relative strengths of those competing effects diverges from many other studies by suggesting the cooling effect has been underestimated so that as sulfur aerosols and their effects on clouds are reduced, temperature will increase more than expected.

    How clouds will change in the decades ahead, and their interaction with aerosols, remains the single greatest uncertainty in making accurate projections for future temperature increases, according to most climate scientists. Several key satellite instruments that could have helped answer that question never made it into orbit in the 1980s and 1990s, despite repeated requests, Hansen said.

    ...

    Schmidt said a new mission called PACE (short for Plankton, Aerosol, Cloud, ocean Ecosystem) could quickly reduce the uncertainties surrounding the effects of aerosols on the climate. That satellite should be in orbit within the coming year. Copernicus, the European Union climate change service, is also launching a new satellite, EarthCARE, also with the goal of measuring the relationship of aerosols, clouds and precipitation to how much of the sun’s radiation reaches Earth to drive global heating.

    Absent those data, the new study used a process of elimination to again show reductions in sulfur aerosols were triggering accelerated warming. Comparisons with past climate periods hold some of the clues, showing, for example, that reefs along the Yucatán Peninsula grew upward and shoreward in giant spurts over the course of just a few decades, about 100,000 years ago during the late Eemian geological era. That, Hansen said, is another warning sign that parts of Earth’s climate system, and particularly ice sheets and ice shelves, are more sensitive to warming than we think.

    “The IPCC system doesn’t acknowledge the degree to which the aerosol forcing will affect the climate in the next few decades, probably more than anything else,” Simons said. “We hope we’re wrong.”
    TADEAS
    TADEAS --- ---
    TADEAS: ty kráso, klouboučky už letí

    decline of aerosol emissions since 2010 should increase the 1970–2010 global warming rate of 0.18°C per decade to a post-2010 rate of at least 0.27°C per decade
    TADEAS
    TADEAS --- ---
    TUHO: to jsou pohadky na dobrou noc (našemu druhu)?

    Navigating Cascading Planetary Boundaries: A Framework to Secure the Future

    Anthropocene Under Dark Skies: The Compounding Effects of Nuclear Winter and Overstepped Planetary Boundaries

    Is Climate Change Ungovernable?
    TADEAS
    TADEAS --- ---
    hansen

    2023 Global warming in the pipeline
    https://academic.oup.com/oocc/article/3/1/kgad008/7335889

    Improved knowledge of glacial-to-interglacial global temperature change yields Charney (fast-feedback) equilibrium climate sensitivity 1.2 ± 0.3°C (2σ) per W/m2, which is 4.8°C ± 1.2°C for doubled CO2. Consistent analysis of temperature over the full Cenozoic era—including ‘slow’ feedbacks by ice sheets and trace gases—supports this sensitivity and implies that CO2 was 300–350 ppm in the Pliocene and about 450 ppm at transition to a nearly ice-free planet, exposing unrealistic lethargy of ice sheet models. Equilibrium global warming for today’s GHG amount is 10°C, which is reduced to 8°C by today’s human-made aerosols. Equilibrium warming is not ‘committed’ warming; rapid phaseout of GHG emissions would prevent most equilibrium warming from occurring. However, decline of aerosol emissions since 2010 should increase the 1970–2010 global warming rate of 0.18°C per decade to a post-2010 rate of at least 0.27°C per decade. Thus, under the present geopolitical approach to GHG emissions, global warming will exceed 1.5°C in the 2020s and 2°C before 2050. Impacts on people and nature will accelerate as global warming increases hydrologic (weather) extremes. The enormity of consequences demands a return to Holocene-level global temperature. Required actions include: (1) a global increasing price on GHG emissions accompanied by development of abundant, affordable, dispatchable clean energy, (2) East-West cooperation in a way that accommodates developing world needs, and (3) intervention with Earth’s radiation imbalance to phase down today’s massive human-made ‘geo-transformation’ of Earth’s climate. Current political crises present an opportunity for reset, especially if young people can grasp their situation.

    TADEAS:
    TADEAS
    TADEAS --- ---
    “The 1.5 degree limit is deader than a doornail, and the 2 degree limit can be rescued only with the help of purposeful actions to effect Earth’s Energy Balance. We will need to cool off Earth to save our coastlines, coastal cities worldwide, and lowlands, while also addressing the other problems caused by global warming.”

    An Intimate Conversation with Leading Climate Scientists To Discuss New Research on Global Warming
    https://youtu.be/NXDWpBlPCY8?si=kfxCUkCh4FC0-MWG
    TADEAS
    TADEAS --- ---
    20231104-222628
    TADEAS
    TADEAS --- ---
    (a taky rok do kteryho kurzweill umistuje AGI)


    In early 2029, Earth will likely lock into breaching key warming threshold, scientists calculate | AP News
    https://apnews.com/article/warming-carbon-climate-change-too-late-943b4b34bff5110631c2e02f5cdf7d68

    In a little more than five years – sometime in early 2029 – the world will likely be unable to stay below the internationally agreed temperature limit for global warming if it continues to burn fossil fuels at its current rate, a new study says.

    The study moves three years closer the date when the world will eventually hit a critical climate threshold, which is an increase of 1.5 degrees Celsius (2.7 degrees Fahrenheit) since the 1800s.

    Beyond that temperature increase, the risks of catastrophes increase, as the world will likely lose most of its coral reefs, a key ice sheet could kick into irreversible melt, and water shortages, heat waves and death from extreme weather dramatically increase, according to an earlier United Nations scientific report.
    TUHO
    TUHO --- ---
    Zajimavej typek pise o filozofii klimatickych modelu

    Eric Winsberg - Wikipedia
    https://en.m.wikipedia.org/wiki/Eric_Winsberg
    Kliknutím sem můžete změnit nastavení reklam