Thread by @ncdave4life

⟦1/15⟧ It's time to put to rest the myth that CO2 emissions and manmade #ClimateChange is harmful to oceans, or to marine life.

https://twitter.com/EcoSenseNow/status/1626241660719095809

⟦2/15⟧ There's no evidence that either the very slight warming trend or the very slight reduction in causticness of ocean surface water is in any way harmful. The worry about that is due to a Climate Industry marketing campaign, not because of scientific evidence.

⟦3/15⟧ So-called "ocean acidification" is both a red herring, and a misnomer. The oceans are alkaline (caustic), everywhere. They are not acidic, anywhere (except at some volcanic vents). Ocean chemistry ensures that seawater will never become acidic.
molecularmodels.eu/#:~:text=Seawa…

⟦4/15⟧ "Ocean acidification" is a political term, coined by activists, to try to dupe people into thinking slightly reduced causticness threatens to dissolve shellfish. It's nonsense.

Freshwater lakes & rivers are often slightly acidic. So is rain. But never oceans.

⟦5/15⟧ "Ocean acidification" is a red herring because the effect is minuscule & benign.

It's a misnomer because it doesn't even acidify the oceans according to any dictionary's definition of the word:

‍‍‍‍‍‍ ‍‍ ‍‍‍‍‍‍ ‍‍ ‍‍‍‍‍‍ ‍‍ 𝗮𝗰𝗶𝗱𝗶𝗳𝘆 𝒗. To make or become acid.

⟦6/15⟧ It's estimated that, as a consequence of 70 years of CO2 emissions, average ocean surface water pH has declined a measly and harmless 0.1 pH point.

⟦7/15⟧ That estimate is from modeling, not measurements, because the trend is too slight & slow to measure with confidence, and because the tiny change is dwarfed by natural seasonal & diurnal pH variation, pH variation with depth, and even pH differences between ocean basins.

⟦8/15⟧ What's more, so-called ocean acidification is confined almost entirely to the part of the ocean which is most caustic (alkaline): the surface layer. That means so-called "ocean acidification" really just reduces the extreme high end of ocean pH variation, slightly.

⟦9/15⟧ The oceans contain about 50× as much CO2 as the atmosphere, and less than 1/3 of mankind's CO2 emissions have found their way into the oceans, so far, so manmade CO2 dissolved into the oceans has little effect (mostly just on surface waters).

⟦10/15⟧ Through >98% of the Earth's history, atmospheric CO2 levels were far higher than they are now. In fact, CO2 levels were far higher than we could ever raise them, now, by burning recoverable fossil fuels.

⟦11/15⟧ During the lush Cretaceous, when complex life flourished, including aquatic life, atmospheric CO2 concentrations are believed to have averaged nearly four times the current level. During the equally lush Jurassic, CO2 levels were even higher.

⟦12/15⟧ Yet, even with those much higher atmospheric CO2 levels, the oceans were still alkaline, rather than acidic, and there's no evidence that the high atmospheric CO2 levels were harmful to marine life.

⟦13/15⟧ The best scientific evidence shows that rising CO2 levels are highly beneficial for both mankind and natural ecosystems.

Who says so? Thousands peer-reviewed studies, over more than a century, and >30,000 American scientists.
sealevel.info/learnmore.html…

⟦14/15⟧ The scientific evidence is compelling that CO2 emissions are beneficial, manmade climate changes is modest and benign, and the "social cost of carbon" is negative. Here are some peer-reviewed papers:
sealevel.info/negative_socia…

⟦15/15⟧ Climate change is a highly politicized issue, so (as for any politicized issue), to understand it you need balanced information. To learn about the SCIENCE of climate change, instead of political spin & industry marketing hype, start here:

https://twitter.com/ncdave4life/status/1432810945017962505

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