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Earth United States Science

Earth's Oceans Are Getting Hotter and Higher, And It's Accelerating, UN Report Warns (npr.org) 331

According to a new report by the U.N. Intergovernmental Panel on Climate Change, ocean warming is accelerating and sea levels are rising more quickly. "The report is a synthesis of the most up-to-date climate science on oceans and ice, and it lays out a stark reality: Ocean surface temperatures have been warming steadily since 1970, and for the past 25 years or so, they've been warming twice as fast," reports NPR. From the report: Sea levels are also rising increasingly quickly "due to increasing rates of ice loss from the Greenland and Antarctic ice sheets," the report states. The report also discusses a relatively new phenomenon in the oceans: marine heat waves. That's a big deal for coastal communities whose economies rely on fish and other seafood. Marine heat waves in recent years drove a cascade of changes in marine life off the coast of the Pacific Northwest, which in turn led to disastrous seasons for commercial fishermen.

Rising water temperatures in the Gulf of Mexico have also affected weather in that region. When sea surface temperatures are unusually high, it helps fuel larger, wetter tropical storms. For example, Hurricane Harvey and Tropical Depression Imelda came inland and dropped incredible amounts of rain on Texas in the past two years. The U.N. panel's report suggests multiple actions that local, state and national leaders can take to slow ocean warming and rising, and to adapt to its impacts. First and foremost, the authors reinforce what has been known for decades: Greenhouse gas emissions from burning fossil fuels are the main driver of changes in the world's oceans, and the global economy must undergo a dramatic transformation to reduce those emissions. [T]he report also notes that if greenhouse gas emissions are immediately and dramatically curtailed, some impacts of ocean acidification could be avoided this century.

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Earth's Oceans Are Getting Hotter and Higher, And It's Accelerating, UN Report Warns

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  • by dehachel12 ( 4766411 ) on Thursday September 26, 2019 @03:10AM (#59238192)
    Allthough a 10.000 billion industry STILL hasn't disproven climate change.
    • by ivano ( 584883 ) on Thursday September 26, 2019 @03:45AM (#59238234)
      Indeed. And when they do fund for an "independent" study on climate change (like the Koch brothers did with the Berkeley Earth Report) they draw the same conclusions as all the other climate scientists. (The deniers also add the extra step of ignoring that report; while at the same time decrying how "consensus" is unscientific; scientists are brainwashed etc)
      • (like the Koch brothers did with the Berkeley Earth Report) they draw the same conclusions as all the other climate scientists.

        Berkeley Earth reached the same conclusion about warming, and disproved the denialist "heat island effect" hypothesis, but did not reach the same conclusion about "extreme weather events". There is little evidence, or support from models, that global warming is making storms either more severe or more common.

    • Re: (Score:2, Informative)

      by Jan ( 6268512 )
      I would say the burden of proof is on those who make the claim. Meanwhile papers that support the claim about ocean heat are being retracted due to serious error which under estimate the uncertainties https://retractionwatch.com/20... [retractionwatch.com]
      • You can take a crack at this proof: A/CO2 causes a greenhouse effect and B/humans introduce large amounts of CO2 to the atmosphere. If these are both true (and they are) human induced climate change is true.
        • by Livius ( 318358 )

          It's not exactly a proof but is enough to shift the burden of proof. It's assumed true until evidence comes along that says otherwise.

        • Sure: You only address one of a massive number of variables involved (ignoring, for instance, the sun). Hence, your conclusion is worthless.
          • Nice motivated reasoning there.

            Of course, the sun's contribution to the temperature has been quantified. Satellite measurement show the 11-year sunspot cycle is responsible for a 0.05C to 0.07C swing. Measurements also show that there has been no statistically significant growth of solar irradiance.

        • Are you trying to prove that CO2 affects the climate? No one denies that.

          Are you trying to prove humans pose an 'existential threat' to the planet? You've got a lot more work to do...

          A/CO2 gases create greenhouse effects, B/Cows produce CO2 gases, if both are true than cows are the problem? Of course not, they are a contributor, as are humans and other sources of CO2, to varying degrees which have not been established.

          If I question the premise that humans are the greatest source of greenhouse gases, that do

      • You don't need to prove something will definitely happen to support action to prevent it. You need only show there is significant enough risk to justify the cost of preventing it.
        • You need to establish real solutions, evaluate the cost of the real solutions and then do a risk analysis and cost analysis.

          You cant evaluate that the risk is high enough to justify the cost of prevention if you dont have that information.

      • ... About 9200 [wikipedia.org] to go (from the 2015 IPCC report). Of course, since then, there have been many thousands more. Get to it!
    • I'm sorry to say, but just about the entire rest of the world thinks that to many morons have to much say in the US and to much opportunity to make noise on national TV. That entire rest does even include one-party propaganda-driven nations like china.

      Watching some of the debates on US TV has me observe in awe and amazement yet unseen depths of stupidity and cultural deprivation come to light. That also goes for the US climate/eco debate. Mind you, we have trash-TV in Germany too, any many of my fellow cit

    • Allthough a 10.000 billion industry STILL hasn't disproven climate change.

      When you are done patting yourself on the back ... any solutions are going to have to be technological. Let me know when Green parties are ready to go full nuclear, or when we get some effective carbon sequestration technology.

  • Good thing I'm a Chicken McNugget guy.
  • by Livius ( 318358 ) on Thursday September 26, 2019 @06:41AM (#59238566)

    The single most important change that's needed in the "debate" is to distinguish observations - which are direct evidence - from predictions - which are speculative. The models simply will never convince someone who doesn't want to be convinced. But climate change is happening now, on a global scale, and at an unprecedented catastrophic speed. That part is not open to debate.

    It's fine to say we don't have the solution (turning back the clock on the Industrial Revolution is not a serious proposal), but it's time to start working on one.

    • by Unipuma ( 532655 )

      Just like with a lot of things, at a certain point, you will have to stop 'having a discussion' and start doing something.
      There are many things we can do that will be beneficial and not controversial.
      We can always have a discussion about the controversial proposed solutions, but at least start working with the ones that make common sense.

    • "Unprecedented catastrophic speed"

      Please demonstrate this with sources. Because stating something isn't open to debate is not useful.

    • by jdagius ( 589920 )

      A clean kill of the CO2-driven-climate hypothesis:
      https://wattsupwiththat.com/20... [wattsupwiththat.com]

      Sure, there is some global warming, due to a long-standing retreat from the Ice Age, less than 2C degrees a century and not correlated to CO2 rise. No big deal really.

      Actually, it can be shown that there is virtually no global warming in Southern Hemisphere, discernible to microwave sensing satellites:
      https://wattsupwiththat.com/20... [wattsupwiththat.com]

      How that that be? Yes, most of the emissions come from the Nothern Hemisphere, but the CO2 is

    • and at an unprecedented catastrophic speed

      Demonstrably false. Climate change following the Cretaceous–Paleogene extinction event was far more rapid.

      (I'm mostly joking, but you should be careful not to embellish, it undermines your argument)

  • Quicker than what? I always here "quicker than previously thought". Quicker than last year when people said it was quicker than thought, or is it just still the original quicker than thought carried on into another year?
  • Regardless of the cause, climate change isn't the problem. Our wastefulness and inefficient use of resources is. Even if the climate didn't change, our species seems dedicated to wastefully exploiting our environment. Correcting that behaviour would require giving up some things in our current way of life. But what would people be willing to give up? Single use plastic? Yeah but not packing material (who wants damaged goods) or plastic cutlery (so convenient) or even plastic grocery bags (remember pap

    • The problem is not 'out there'. The problem is you.

      Same happened with AIDS, the Catholic Church told all those sex-mad Africans to abstain, no effect on the AIDS stats whatsoever.

      Govts started giving out free condoms, AIDS numbers took a big tumble.

      A solution will only work if it doesn't affect people's enjoyment.

  • The dutch and the northern Gemans had problems coordinating their dike construction, resulting in infighting, floods and no real problems solved. It was an all-out classic tragedy of the commons. Then they introduced the concept of a "Dike Lord". He got to say how it's done and his job was to prevent the floods. Everyone followed his orders and after that they split up the remaining land and resouces.

    We need the same thing for our planet and its eco-system reservation. Now.

  • by DavenH ( 1065780 ) on Thursday September 26, 2019 @08:57AM (#59238906)
    When we see statements like 'Sea levels are also rising increasingly quickly "due to increasing rates of ice loss from the Greenland and Antarctic ice sheets,"' we get the impression that ice melt is the only contributor of the sea level rise.

    Water is most dense at 4C, and while it doesn't expand much as a proportion, ocean heating expands a billion cubic kilometers of water so the surface level effect is disproportionately large. Secondly, water already at its compressibility limit (deep water, a large fraction of the volume) expands more per degree of warming than shallow water. Up until now, most sea level rise has been due to heat expansion rather than ice melt, though as atmospheric temperatures continue higher and Antarctic and Greenland ice sheets begin shedding rapidly, that contribution will shift.

  • by WillAffleckUW ( 858324 ) on Thursday September 26, 2019 @12:56PM (#59239734) Homepage Journal

    Just expire all fossil fuel infrastructure depreciation, deductions, subsidies, exemptions, and exclusions.

    Let the Invisible Hand swat it down.

    No fleet discounts, no expensed fossil fuel vehicle or power plant repairs.

    Cut it off at the source.

    No 1858 mining law royalties for fossil fuel extraction.

    Make them pay what a retail donut store on a park pays.

    We all know that will work, but we're addicted to the spice.

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