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[Ocean acidification] Studies find ocean acidification will have significant effect on ...: This absorbed CO2 causes an acidification of the oceans and, at the current rate of emissions, it is estimated that their pH will fall by 0.4 units between now and 2100. This corresponds to a 3-fold increase of the mean acidity of the oceans, which is unprecedented during the past 20 million years.

[IISD Linkages] Summary of the Expert Panel on Ocean Acidification - 3 September ...: The aim of the meeting was to increase awareness and highlight options to avoid adverse impacts of ocean acidification on marine life and ecosystems by bringing together key stakeholders working on oceans and seas, climate change and sustainable development. The panel included senior officials and experts, and the panel’s presentations were followed by an interactive discussion focused on potential international cooperation, possible policies and actions by the international community, and steps to raise public awareness.

[Ocean acidification] Ocean acidification alters skeletogenisis in larvae of the sea ...: A current focus in ocean acidification research is to understand the resilience organisms possess to withstand such changes, and to extend these investigations beyond calcification, addressing impacts on other vulnerable physiological processes. Using morphometric methods and gene expression profiling with a DNA microarray, we explore the impacts of high CO2 conditions on development of the sea urchin, Lytechinus pictus, a pelagic larvae that forms a calcium carbonate endoskeleton.

[Climate Progress] Imagine a World without Fish: Deadly ocean acidification ”” hard to ...: If there are methane hydrate plumes bubbling up off Washington State, we need to capture the methane, burn it with CCS while generating electricity, and deep inject the resulting CO2 down into the Juan de Fuca plate, ASAP, and do whatever we can to limit this ocean acidification, if this hypothesis to explain the low pH readings is correct.

[Climate Skeptic] Ocean Acidification | Climate Skeptic: huxleyi and possibly of other fast-growing coccolithophore species”¦if this provides an ecological advantage for coccolithophores, rising atmospheric CO2 could potentially increase the contribution of calcifying phytoplankton to overall primary production”¦a moderate increase in CO2 facilitates photosynthetic carbon fixation of some phytoplankton groups”¦CO2-sensitive taxa, such as the calcifying coccolithophorids, should therefore benefit more from the present increase in atmospheric CO2”¦”

[Newswise: SciNews] Rising Acidity Levels Could Trigger Shellfish Revenue Declines ...: In a case study of U.S. commercial fishery revenues published in the June issue of Environmental Research Letters, WHOI scientists Sarah Cooley and Scott Doney calculated the possible economic effects of ocean acidification over the next 50 years using atmospheric CO2 trajectories from the Intergovernmental Panel on Climate Change and laboratory studies of acidification's effects on shell-forming marine organisms, focusing especially on mollusks.

[Worldchanging: Bright Green] Worldchanging: Bright Green: Imagine A World Without Fish: • Acknowledge that ocean acidification is a direct and real consequence of increasing atmospheric CO2 concentrations, is already having an effect at current concentrations, and is likely to cause grave harm to important marine ecosystems as CO2 concentrations reach 450 ppm and above;

[Breaking News] Research finds higher ocean acidification off Alaska that could ...: WASHINGTON - A new research by zoologists has indicated that elevated water temperatures and heightened concentrations of carbon dioxide (CO2) can dramatically increase the growth rate of a keystone species of sea star. The study, by zoologists at the University of British Columbia (UBC), is one of the first to look at the impact of ocean acidification on marine invertebrates that don't have a large calcified skeleton or external shell, and challenges current assumptions about the potential impact of climate change on marine species.

[isen.blog] isen.blog: West Marine fights Ocean Acidification: If left unaddressed, by 2040 it is projected to be over 450 ppm, and marine scientists believe the collapse of many ocean ecosystems will be irreversible. Acidification has other physiological effects on marine life as well, including changes in reproduction, growth rates, and even respiration in fish.

[Solve Climate: Daily Climate News and Opinion] New Film on Ocean Acidification Reveals Unseen Face of CO2 ...: It is thanks to the oceans that there is 30% less CO2 in the atmosphere, and that global temperatures are cooler, but scientists have collected disturbing evidence that the oceans are paying a high price for the ecosystem services they are being forced to provide. They are starting to succumb to ocean acidification -- an advancing global climate catastrophe that is already upon us.

[OUPblog] Confronting Climate Collapse : OUPblog: No matter what our personal preferences, politics, or beliefs may be, as greenhouse gases accumulate in the atmosphere, temperatures will continue to rise until the Earth reaches a new equilibrium.  Even were we to stop emission of CO2 today, sea levels from the thermal expansion of water and increasing mass from the melting glaciers and ice caps would change coast lines for perhaps the next thousand years.  If the rate of melting is rapid or sudden, the migration inland will create hundreds of thousands, or more likely millions, of refugees-like Katrina but on a much larger scale.  Unless we chose to build dikes and can afford to do so, many coastal cities will be flooded possibly within decades or by the end of the century.  A majority of the millions of people who live along the Gulf Coast and eastern seaboard will have to move inland to higher ground.  But we have neither the money necessary to relocate millions of people nor the infrastructure to accommodate them once moved.

[CLF Scoop] CLF Scoop» Blog Archive » Ocean Acidification: Climate Change's ...: [...] The Lake Baikal study is further confirmation that global warming and water quality issues are deeply intertwined.  It should serve as a wake-up call to government officials charged with cleaning up and preventing pollution because “[t]his lake was expected to be among those most resistant to climate change, due to its tremendous volume and unique water circulation.”  If climate change is affecting Baikal, it’s certainly affecting Lake Champlain and other freshwater bodies throughout New England (not to mention the major impacts on our Oceans).  [...]

[Switchboard, from NRDC Ӽ Peter Lehner's Blog] Switchboard, from NRDC :: Peter Lehner's Blog :: Talking Climate ...: In addition to curbing CO2 emissions, which is all-important, we also need to make the oceans more resilient so that they are better able to withstand the impacts of global warming and ocean acidification. Just like a healthy person is .

Reflected tags on Technorati: Blog, Ecosystems, The Green Files