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[Ocean acidification] CO2 perturbation experiments: similarities and differences between ...: Increasing atmospheric carbon dioxide (CO2) through human activities and invasion of anthropogenic CO2 into the surface ocean alters the seawater carbonate chemistry, increasing CO2 and bicarbonate (HCO3) at the expense of carbonate ion (CO32−) concentrations. This redistribution in the dissolved inorganic carbon (DIC) pool decreases pH and carbonate saturation state (Ω).

[The Federal Register] Notices: Ocean Acidification and Marine pH Water Quality Criteria ...: In addition, EPA is notifying the public of its intent to review the current aquatic life criterion for marine pH to determine if a revision is warranted to protect the marine designated uses of States and Territories pursuant to Section 304(a)(1) of the Clean Water Act. The NODA also solicits additional scientific information and data, as well as ideas for effective strategies for Federal, State, and local officials to address the impacts of ocean acidification.

[YubaNet.com] 100 questions to conserve global biodiversity: Marine ecosystems 46. How will ocean acidification affect marine biodiversity and ecosystem function and what measures could mitigate these effects?

[Ocean acidification] Gases fast destroying oceans' pH « Ocean acidification: The influx of carbon dioxide has caused a disturbing drop in oceanic pH that threatens both fragile marine ecosystems and our own chances of reversing global warming.

[Diving Deeper with Jay Cashmere] Diving Deeper with Jay Cashmere : EPA To Evaluate Ocean Acidification: worst impacts of ocean acidification, CO2 emissions will need to be reduced from current levels, requiring immediate regulatory action. Ocean acidification is degrading seawater quality, with adverse impacts on marine ecosystems.

[Comments for Planetsave] Experts Say Ocean Acidification is a “Planet Changer” : Planetsave: It’s baffling to hear that “this issue hasn’t been taken seriously enough”- surely the entire industrialized world is now aware of the ocean acidification issue, and separately, has signed on to CO2 reductions (with the exception of the United States). It would be refreshing to see a bit more collaboration with biologists in the world modelling work- but no matter what- these are only models (ah, the heresy in those words!)

[Ocean acidification] Woods Institute names 19 Leopold Leadership Fellows « Ocean ...: Margot Gerritsen, Department of Energy Resources Engineering, Stanford. Optimization of environmentally friendly oil production processes, carbon sequestration and tidal energy systems.

[maxxza.com] maxxza.com » Blog Archive » Smokers ”˜need anger help to quit': Acid oceans 'need urgent action'. Marine ecosystems are at risk from ocean acidification unless there are .

[YubaNet.com] EPA Evaluates Ocean Acidification as a Threat to Water Quality ...: EPA's water-quality criteria are relevant to preventing ocean acidification because they are the measure against which many states gauge the need to impose regulations on pollution. The notice states that EPA's "recommended criteria provide guidance to States and authorized Tribes in adopting water quality standards that ultimately provide a basis for controlling discharges or releases of pollutants." Here, that could eventually translate into controls on CO2.

[Community Blog] The Other Carbon Dioxide Problem: Since the beginning of the industrial era, the pH of surface waters has decreased slightly but significantly from 8.2 to 8.1, and it continues to decrease. Scientists project the pH of surface water will decrease by the year 2100 to a level not seen on Earth over the past 20 million years, if not longer.<20 million years!

[Climate Progress] Climate Progress » Blog Archive » Obama EPA explores using Clean ...: “Petitioner requests a new criterion that allows no measurable criterion of pH because new scientific information has shown that harm to aquatic life can occur at levels below the current EPA criterion, which allows 0.2 pH change,” the center said. “At a minimum, the revised change of allowable pH values should be much narrower because it is now well-accepted that devastating impacts occur at pH values that are within the current acceptable range.”

[Earth Grounded] Earth Grounded » Blog Archive » Ocean Acidity Is Increasing Due To CO2: To investigate changes in ocean chemistry that could result from higher temperatures and carbon-dioxide concentrations, the researchers used an Earth-system model called the Integrated Science Assessment Model. Developed by Jain and his graduate students, the model includes complex physical and chemical interactions among carbon-dioxide emissions, climate change, and carbon-dioxide uptake by oceans and terrestrial ecosystems.

[Sandy Watsey's Blog] Five Ways to Make Your Food Help Save the Planet: Disturbingly, this even applies to raw foodies who are often buying and consuming raw foods in an ecologically unsustainable way: If you're living in New York but buying raw vegetables in the winter, all your vegetables have a huge eco-footprint due to the transportation costs involved. It's nowhere near the carbon footprint of meat, of course, but it's still not truly "green."

[Switchboard, from NRDC Ӽ Leila Monroe's Blog] Ocean Inspiration: IMAX Under the Sea 3D: Once immersed in this beautiful world, viewers are then confronted with the very real dangers marine species and ecosystems face from climate change and acidification. While shots of the venomous sea snakes and ominous white sharks will send a chill down your spine, neither scare me as much as the possible devastation of our oceans caused by human release of greenhouse gases.

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