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Trevor McLeodA good read about <a href="https://mastodon.social/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> <a href="https://mastodon.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> and the effects on <a href="https://mastodon.social/tags/shellfish" class="mention hashtag" rel="nofollow noopener" target="_blank">#shellfish</a> like <a href="https://mastodon.social/tags/oysters" class="mention hashtag" rel="nofollow noopener" target="_blank">#oysters</a> which I love.<a href="https://mastodon.social/tags/climatecrisis" class="mention hashtag" rel="nofollow noopener" target="_blank">#climatecrisis</a> <a href="https://mastodon.social/tags/PacificaNorthwest" class="mention hashtag" rel="nofollow noopener" target="_blank">#PacificaNorthwest</a> <a href="https://www.nytimes.com/2025/07/07/science/oysters-farming-acidic-ocean-climate-change.html?unlocked_article_code=1.Uk8.rYFw.YCzZGIK-a21G&smid=url-share" rel="nofollow noopener" translate="no" target="_blank">https://www.nytimes.com/2025/07/07/science/oysters-farming-acidic-ocean-climate-change.html?unlocked_article_code=1.Uk8.rYFw.YCzZGIK-a21G&smid=url-share</a>

Mikko TuomiAnother planetary boundary crossed.Ocean <a href="https://scicomm.xyz/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> has been identified as a planetary process approaching a boundary that could lead to unacceptable environmental change.By 2020, the average global <a href="https://scicomm.xyz/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> conditions had already crossed into the uncertainty range of the ocean acidification boundary.Up to 60% of the global subsurface ocean (down to 200 m) had crossed that boundary, compared to over 40% of the global surface ocean.These changes result in significant declines in suitable <a href="https://scicomm.xyz/tags/habitats" class="mention hashtag" rel="nofollow noopener" target="_blank">#habitats</a> for important calcifying <a href="https://scicomm.xyz/tags/species" class="mention hashtag" rel="nofollow noopener" target="_blank">#species</a>.<a href="https://onlinelibrary.wiley.com/doi/10.1111/gcb.70238" rel="nofollow noopener" translate="no" target="_blank">https://onlinelibrary.wiley.com/doi/10.1111/gcb.70238</a>

Entité terrestre auto-critiqueAcidification des Océans : Une 7ème limite planétaire pourrait avoir été franchie il y a 5 ans : <a href="https://phys.org/news/2025-06-ocean-acidification-planetary-boundary-years.html" rel="nofollow noopener" translate="no" target="_blank">https://phys.org/news/2025-06-ocean-acidification-planetary-boundary-years.html</a><a href="https://piaille.fr/tags/AcidificationDesOc%C3%A9ans" class="mention hashtag" rel="nofollow noopener" target="_blank">#AcidificationDesOcéans</a> <a href="https://piaille.fr/tags/LimitesPlan%C3%A9taires" class="mention hashtag" rel="nofollow noopener" target="_blank">#LimitesPlanétaires</a> <a href="https://piaille.fr/tags/ClimateChange" class="mention hashtag" rel="nofollow noopener" target="_blank">#ClimateChange</a> <a href="https://piaille.fr/tags/Ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#Ocean</a> <a href="https://piaille.fr/tags/Acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#Acidification</a>

DragofixGlobal ocean acidification has passed safe planetary boundary threshold: Study <a href="https://news.mongabay.com/short-article/2025/06/global-ocean-acidification-has-passed-safe-planetary-boundary-threshold-study/" rel="nofollow noopener" translate="no" target="_blank">https://news.mongabay.com/short-article/2025/06/global-ocean-acidification-has-passed-safe-planetary-boundary-threshold-study/</a><a href="https://veganism.social/tags/environment" class="mention hashtag" rel="nofollow noopener" target="_blank">#environment</a> <a href="https://veganism.social/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> <a href="https://veganism.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>

Dragofix‘Ticking Time Bomb’ of Ocean Acidification Has Already Crossed Planetary Boundary, Threatening Marine Ecosystems: Study <a href="https://www.ecowatch.com/ocean-acidification-planetary-boundary.html" rel="nofollow noopener" translate="no" target="_blank">https://www.ecowatch.com/ocean-acidification-planetary-boundary.html</a><a href="https://veganism.social/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> <a href="https://veganism.social/tags/environment" class="mention hashtag" rel="nofollow noopener" target="_blank">#environment</a> <a href="https://veganism.social/tags/marine" class="mention hashtag" rel="nofollow noopener" target="_blank">#marine</a> <a href="https://veganism.social/tags/ecosystem" class="mention hashtag" rel="nofollow noopener" target="_blank">#ecosystem</a> <a href="https://veganism.social/tags/ecosystems" class="mention hashtag" rel="nofollow noopener" target="_blank">#ecosystems</a> <a href="https://veganism.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>

earthling<a href="https://mstdn.ca/@atomicker" class="u-url mention" rel="nofollow noopener" target="_blank">@atomicker</a> <a href="https://mastodon.social/tags/oceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#oceans</a> <a href="https://mastodon.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> <a href="https://mastodon.social/tags/books" class="mention hashtag" rel="nofollow noopener" target="_blank">#books</a>

Trevor McLeod<a href="https://mastodon.social/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> <a href="https://mastodon.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> crossed a <a href="https://mastodon.social/tags/planetary" class="mention hashtag" rel="nofollow noopener" target="_blank">#planetary</a> boundary back in 2020!<a href="https://mastodon.social/tags/climatecrisis" class="mention hashtag" rel="nofollow noopener" target="_blank">#climatecrisis</a><a href="https://www.theguardian.com/environment/2025/jun/09/sea-acidity-ecosystems-ocean-acidification-planetary-health-scientists" rel="nofollow noopener" translate="no" target="_blank">https://www.theguardian.com/environment/2025/jun/09/sea-acidity-ecosystems-ocean-acidification-planetary-health-scientists</a>

ombra<a href="https://mstdn.social/tags/Ocean" class="mention hashtag" rel="tag">#Ocean</a> <a href="https://mstdn.social/tags/Acidification" class="mention hashtag" rel="tag">#Acidification</a>: Another Planetary Boundary Crossed "while the largest change at the surface has been in the polar regions, the largest change at 100 m and 200 m has been in the sub-polar and low latitude regions. Subsurface oceans host highly diverse and biodiversity-rich ecosystems, with few species living solely at the ocean surface. These significant subsurface changes indicate a much larger potential impact on <a href="https://mstdn.social/tags/marine" class="mention hashtag" rel="tag">#marine</a> <a href="https://mstdn.social/tags/ecosystems" class="mention hashtag" rel="tag">#ecosystems</a> and the services they provide, <a href="https://onlinelibrary.wiley.com/doi/10.1111/gcb.70238" target="_blank" rel="nofollow noopener" translate="no">https://onlinelibrary.wiley.com/doi/10.1111/gcb.70238</a>

Glyn MoodyThe scientists warning the world about ocean <a href="https://mastodon.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> – ‘evil twin’ of the climate crisis - <a href="https://www.theguardian.com/environment/2025/jun/09/the-scientists-warning-the-world-about-ocean-acidification-evil-twin-of-the-climate-crisis" rel="nofollow noopener" translate="no" target="_blank">https://www.theguardian.com/environment/2025/jun/09/the-scientists-warning-the-world-about-ocean-acidification-evil-twin-of-the-climate-crisis</a> "until the buildup of CO2 is addressed, the consequences for marine life will be devastating"

earthlingOcean Acidification — Understanding the Effects, Exploring the Solutions by Fabrice Pernet & Frederic Gazeau, 2025The authors answer ten key questions on the biogeochemical basis of acidification, on past, current and future trends, on the impact on marine organisms and humans, and finally on remediation measures. <a href="https://a.gup.pe/u/bookstdoon" class="u-url mention" rel="nofollow noopener" target="_blank">@bookstdoon</a> <a href="https://mastodon.social/tags/books" class="mention hashtag" rel="nofollow noopener" target="_blank">#books</a> <a href="https://mastodon.social/tags/nonfiction" class="mention hashtag" rel="nofollow noopener" target="_blank">#nonfiction</a> <a href="https://mastodon.social/tags/oceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#oceans</a> <a href="https://mastodon.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>

CellBioNews<a href="https://scientificnetwork.de/tags/Eukaryotic" class="mention hashtag" rel="nofollow noopener" target="_blank">#Eukaryotic</a> <a href="https://scientificnetwork.de/tags/phytoplankton" class="mention hashtag" rel="nofollow noopener" target="_blank">#phytoplankton</a> decline due to <a href="https://scientificnetwork.de/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> <a href="https://scientificnetwork.de/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> could significantly impact global <a href="https://scientificnetwork.de/tags/carbon_cycle" class="mention hashtag" rel="nofollow noopener" target="_blank">#carbon_cycle</a><a href="https://scientificnetwork.de/tags/climate_change" class="mention hashtag" rel="nofollow noopener" target="_blank">#climate_change</a> <a href="https://scientificnetwork.de/tags/mightymicrobes" class="mention hashtag" rel="nofollow noopener" target="_blank">#mightymicrobes</a> <a href="https://scientificnetwork.de/tags/CO2" class="mention hashtag" rel="nofollow noopener" target="_blank">#CO2</a> <a href="https://scientificnetwork.de/tags/primary_production" class="mention hashtag" rel="nofollow noopener" target="_blank">#primary_production</a> <a href="https://scientificnetwork.de/tags/carbon_fixation" class="mention hashtag" rel="nofollow noopener" target="_blank">#carbon_fixation</a> <a href="https://phys.org/news/2025-03-eukaryotic-phytoplankton-decline-due-ocean.html" rel="nofollow noopener" translate="no" target="_blank">https://phys.org/news/2025-03-eukaryotic-phytoplankton-decline-due-ocean.html</a>

Broken Feather<a href="https://mastodon.social/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> <a href="https://mastodon.social/tags/ecosystem" class="mention hashtag" rel="nofollow noopener" target="_blank">#ecosystem</a> <a href="https://mastodon.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>

Ed WiebeWe're exploring dissolving CO2 into the ocean in our Climate Change lab today. Our ocean becomes more acidic, like the real one. The colour of the solution shows the pH. Blue is around 8, the pH of the tap water. Green is a bit less than 7, yellow is less than 6. In the third image I have exhaled into the bottle and sealed it. Then a gentle disturbance mixes the stagnant layer a bit, and we see the dissolved CO2 lowering the pH.<a href="https://mstdn.ca/tags/UVic" class="mention hashtag" rel="nofollow noopener" target="_blank">#UVic</a> <a href="https://mstdn.ca/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>

O=C=OGroundwater in the Arctic is delivering more carbon into the ocean than was previously knownA relatively small amount of <a href="https://climatejustice.social/tags/groundwater" class="mention hashtag" rel="nofollow noopener" target="_blank">#groundwater</a> trickling through <a href="https://climatejustice.social/tags/Alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#Alaska</a>'s <a href="https://climatejustice.social/tags/tundra" class="mention hashtag" rel="nofollow noopener" target="_blank">#tundra</a> is releasing huge quantities of <a href="https://climatejustice.social/tags/carbon" class="mention hashtag" rel="nofollow noopener" target="_blank">#carbon</a> into the <a href="https://climatejustice.social/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a>, where it can contribute to <a href="https://climatejustice.social/tags/ClimateChange" class="mention hashtag" rel="nofollow noopener" target="_blank">#ClimateChange</a>, according to new research out of The University of Texas at Austin. As the tundra continues to thaw and the flow of submarine groundwater ratchets up, Demir said that the outflow of carbon from shore to sea could effectively make ocean surface waters a carbon source to the <a href="https://climatejustice.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener" target="_blank">#atmosphere</a>. The <a href="https://climatejustice.social/tags/CO2" class="mention hashtag" rel="nofollow noopener" target="_blank">#CO2</a> released via groundwater could also contribute to ocean <a href="https://climatejustice.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>. "The <a href="https://climatejustice.social/tags/Arctic" class="mention hashtag" rel="nofollow noopener" target="_blank">#Arctic</a> coast is changing in front of our eyes," said Bayani Cardenas, a co-author of this study and professor at the Jackson School's Department of Earth and Planetary Sciences. "As <a href="https://climatejustice.social/tags/permafrost" class="mention hashtag" rel="nofollow noopener" target="_blank">#permafrost</a> thaws, it turns into coastal and submarine <a href="https://climatejustice.social/tags/aquifers" class="mention hashtag" rel="nofollow noopener" target="_blank">#aquifers</a>. Even without this thawing, our studies are among the first to directly show the existence of such aquifers."<a href="https://phys.org/news/2025-01-groundwater-arctic-carbon-ocean-previously.html" rel="nofollow noopener" translate="no" target="_blank">https://phys.org/news/2025-01-groundwater-arctic-carbon-ocean-previously.html</a><a href="https://climatejustice.social/tags/ClimateScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#ClimateScience</a> <a href="https://climatejustice.social/tags/ClimateCrisis" class="mention hashtag" rel="nofollow noopener" target="_blank">#ClimateCrisis</a> <a href="https://climatejustice.social/tags/Cryosphere" class="mention hashtag" rel="nofollow noopener" target="_blank">#Cryosphere</a>

Alexander J. SteinCompared to <a href="https://mastodon.world/tags/beef" class="mention hashtag" rel="nofollow noopener" target="_blank">#beef</a> steak tips, <a href="https://mastodon.world/tags/plant" class="mention hashtag" rel="nofollow noopener" target="_blank">#plant</a>-based steak generates 84% less GHG <a href="https://mastodon.world/tags/emissions" class="mention hashtag" rel="nofollow noopener" target="_blank">#emissions</a>, requires 93% less water, 88% less <a href="https://mastodon.world/tags/landuse" class="mention hashtag" rel="nofollow noopener" target="_blank">#landuse</a> & 65% less non-renewable <a href="https://mastodon.world/tags/energy" class="mention hashtag" rel="nofollow noopener" target="_blank">#energy</a>, and creates 94% less terrestrial <a href="https://mastodon.world/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> & 77-95% less (freshwater/marine) eutrophication: <a href="https://www.beyondmeat.com/en-US/press/beyond-meat-releases-2023-esg-report-and-lca-study-that-estimates-environmental-benefits-of-beyond-steak" rel="nofollow noopener" translate="no" target="_blank">https://www.beyondmeat.com/en-US/press/beyond-meat-releases-2023-esg-report-and-lca-study-that-estimates-environmental-benefits-of-beyond-steak</a> <a href="https://mastodon.world/tags/LCA" class="mention hashtag" rel="nofollow noopener" target="_blank">#LCA</a>

Chris MerleMelting <a href="https://mstdn.social/tags/permafrost" class="mention hashtag" rel="tag">#permafrost</a> is bad, mmkay. Iron and sulfite minerals are now leaching into once pristine arctic rivers, acidifying them. One the sulfur acidifies the water it begins to leach toxic compounds and elements into the rivers. It was more commonly seen in rivers where abandoned mines were nearby.North America's Ongoing, Ignored Disaster<a href="https://m.youtube.com/watch?v=Lxfpgqn6NOo" target="_blank" rel="nofollow noopener" translate="no">https://m.youtube.com/watch?v=Lxfpgqn6NOo</a><a href="https://mstdn.social/tags/globalWarming" class="mention hashtag" rel="tag">#globalWarming</a> <a href="https://mstdn.social/tags/acidification" class="mention hashtag" rel="tag">#acidification</a> <a href="https://mstdn.social/tags/ClimateChange" class="mention hashtag" rel="tag">#ClimateChange</a>

Dr. Or M. BialikUnder anthropogenic stress, we talk a lot about <a href="https://mastodon.world/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#ocean</a> <a href="https://mastodon.world/tags/warming" class="mention hashtag" rel="nofollow noopener" target="_blank">#warming</a> and ocean <a href="https://mastodon.world/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>... but we should also be talking more about ocean <a href="https://mastodon.world/tags/deoxygenation" class="mention hashtag" rel="nofollow noopener" target="_blank">#deoxygenation</a>, as it is an ongoing problem. To understand just how bad it can get ( <a href="https://mastodon.world/tags/extinction" class="mention hashtag" rel="nofollow noopener" target="_blank">#extinction</a> event bad ), we must turn, as usual, to the geological record. <a href="https://doi.org/10.1016/j.earscirev.2023.104664" rel="nofollow noopener" translate="no" target="_blank">https://doi.org/10.1016/j.earscirev.2023.104664</a>

DoomsdaysCW<a href="https://kolektiva.social/tags/Polluting" class="mention hashtag" rel="nofollow noopener" target="_blank">#Polluting</a> <a href="https://kolektiva.social/tags/Shipwrecks" class="mention hashtag" rel="nofollow noopener" target="_blank">#Shipwrecks</a> Are the Ticking <a href="https://kolektiva.social/tags/TimeBomb" class="mention hashtag" rel="nofollow noopener" target="_blank">#TimeBomb</a> at the Bottom of Our <a href="https://kolektiva.social/tags/Oceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#Oceans</a>As their structures break down, the wrecks could release toxic substances into the <a href="https://kolektiva.social/tags/environment" class="mention hashtag" rel="nofollow noopener" target="_blank">#environment</a>.December 11, 2024"At the bottom of the oceans and seas lie more than 8,500 shipwrecks from two world wars. These wrecks have been estimated to contain as much as 6 billion gallons of oil, as well as munitions, toxic heavy metals and even chemical weapons [and NUCLEAR weapons and materials!]."For decades, these wrecks have largely lain out of sight and out of mind. But all this time, their structures have been degrading, inexorably increasing the chances of sudden releases of toxic substances into the marine environment."In parts of the globe, climate change is exacerbating this risk. Rising ocean temperatures, <a href="https://kolektiva.social/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> and increasing <a href="https://kolektiva.social/tags/storminess" class="mention hashtag" rel="nofollow noopener" target="_blank">#storminess</a> accelerate the breakdown of these wrecks."Of course, wrecks from the world wars are far from the only ones to be found at the bottom of the sea, with many others adding to the problem. The cost of addressing this global issue has been estimated at US$340 billion (£261 billion)."How many of these wrecks pose a threat to people’s safety, to coastal communities and to the environment? What can be done – and why haven’t we done it sooner?"Read more: <a href="https://getpocket.com/explore/item/polluting-shipwrecks-are-the-ticking-time-bomb-at-the-bottom-of-our-oceans?utm_source=firefox-newtab-en-us" rel="nofollow noopener" translate="no" target="_blank">https://getpocket.com/explore/item/polluting-shipwrecks-are-the-ticking-time-bomb-at-the-bottom-of-our-oceans?utm_source=firefox-newtab-en-us</a> <a href="https://kolektiva.social/tags/NoNuclearWeapons" class="mention hashtag" rel="nofollow noopener" target="_blank">#NoNuclearWeapons</a> <a href="https://kolektiva.social/tags/ToxicShipwrecks" class="mention hashtag" rel="nofollow noopener" target="_blank">#ToxicShipwrecks</a> <a href="https://kolektiva.social/tags/OceansAreLife" class="mention hashtag" rel="nofollow noopener" target="_blank">#OceansAreLife</a>

Dr. Or M. BialikShifting <a href="https://mastodon.world/tags/wind" class="mention hashtag" rel="nofollow noopener" target="_blank">#wind</a> patterns have a lot of knock-on effects. In shallow seas (like ancient epicontinental <a href="https://mastodon.world/tags/sea" class="mention hashtag" rel="nofollow noopener" target="_blank">#sea</a>), those can be rather dramatic. Take the Persian/Arabian Gulf; a great modern case study. There, weakening winds have contributed to rapid <a href="https://mastodon.world/tags/warming" class="mention hashtag" rel="nofollow noopener" target="_blank">#warming</a>, deoxygenation, and <a href="https://mastodon.world/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a>. <a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2024GL109898" rel="nofollow noopener" translate="no" target="_blank">https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2024GL109898</a>

Mikko TuomiResearch has shown that in addition to warming the <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener" target="_blank">#atmosphere</a>, carbon <a href="https://scicomm.xyz/tags/emissions" class="mention hashtag" rel="nofollow noopener" target="_blank">#emissions</a> are also leading to warming of the world's <a href="https://scicomm.xyz/tags/oceans" class="mention hashtag" rel="nofollow noopener" target="_blank">#oceans</a>.But carbon dioxide in the air also increases <a href="https://scicomm.xyz/tags/acidification" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidification</a> of the oceans. Such increased acidification has led to problems for a variety of sea <a href="https://scicomm.xyz/tags/life" class="mention hashtag" rel="nofollow noopener" target="_blank">#life</a>.Now a new 3D ocean model shows ocean acidification is moving deeper as atmospheric emissions increase and even more ocean creatures will be affected.<a href="https://phys.org/news/2024-11-3d-ocean-acidification-deeper-atmospheric.html" rel="nofollow noopener" translate="no" target="_blank">https://phys.org/news/2024-11-3d-ocean-acidification-deeper-atmospheric.html</a>

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