http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Climate change threatens the survival of dozens of animal species from the emperor penguin to Australian koalas, according to a report released Monday at the UN climate summit. http://www.physorg.com/news179995856.html Biology Mon, 14 Dec 2009 07:20:01 EST news179995856 (PhysOrg.com) -- As the world`s seawater becomes more acidic due to rising atmospheric carbon dioxide, some shelled marine creatures may actually become bigger and stronger, according to a new study. http://www.physorg.com/news178904818.html Space & Earth Tue, 01 Dec 2009 15:51:26 EST news178904818 Popular thinking about how to improve food systems for the better often misses the point, according to the results of a three-year global study of salmon production systems. Rather than pushing for organic or land-based production, or worrying about simple metrics such as "food miles," the study finds that the world can achieve greater environmental benefits by focusing on improvements to key aspects of production and distribution. http://www.physorg.com/news178297283.html Space & Earth Tue, 24 Nov 2009 15:16:35 EST news178297283 (PhysOrg.com) -- Australian marine scientists have issued an urgent call for massive and rapid worldwide cuts in carbon emissions, deep enough to prevent atmospheric CO2 levels rising to 450 parts per million (ppm). http://www.physorg.com/news177019636.html Space & Earth Mon, 09 Nov 2009 20:20:01 EST news177019636 Relatively minor increases in ocean acidity brought about by high levels of carbon dioxide have significant detrimental effects on the growth, development, and survival of hard clams, bay scallops, and Eastern oysters, according to researchers at Stony Brook University's School of Marine and Atmospheric Sciences. http://www.physorg.com/news175792205.html Space & Earth Mon, 26 Oct 2009 16:10:48 EST news175792205 (PhysOrg.com) -- As human activity pumps more and more carbon into the atmosphere, a new threat has emerged to the world's coral reefs - starvation. http://www.physorg.com/news173959038.html Biology Mon, 05 Oct 2009 11:10:02 EST news173959038 In addition to global warming, carbon dioxide emissions cause another, less well-known but equally serious and worrying phenomenon: ocean acidification. Researchers in the Laboratoire d'Océanographie at Villefranche, France, have just demonstrated that key marine organisms, such as deep-water corals and pteropods (shelled pelagic mollusks) will be profoundly affected by this phenomenon during the years to come. Two studies have been published in the journal Biogeosciences. http://www.physorg.com/news172217800.html Space & Earth Tue, 15 Sep 2009 07:30:01 EST news172217800 Australia's Great Barrier Reef is in serious jeopardy as global warming and chemical runoff threaten to kill marine species and cause serious outbreaks of disease, a report warned Wednesday. http://www.physorg.com/news171102349.html Space & Earth Wed, 02 Sep 2009 11:30:01 EST news171102349 (AP) -- Erosion threatens to topple coastal Alaskan villages. Melting ice threatens polar bears. Now, a marine scientist says the state's marine waters are turning acidic from absorbing greenhouse gases faster than tropical waters, potentially endangering Alaska's $4.6 billion fishing industry. http://www.physorg.com/news170307662.html Space & Earth Mon, 24 Aug 2009 05:20:01 EST news170307662 The same things that make Alaska's marine waters among the most productive in the world may also make them the most vulnerable to ocean acidification. According to new findings by a University of Alaska Fairbanks scientist, Alaska's oceans are becoming increasingly acidic, which could damage Alaska's king crab and salmon fisheries. http://www.physorg.com/news169398301.html Space & Earth Thu, 13 Aug 2009 16:20:06 EST news169398301 The burning of fossil fuels has released tremendous amounts of the greenhouse gas carbon dioxide (CO2) into the atmosphere, significantly impacting global climate. Were it not for the absorption of CO2 by the oceans, the alarming growth of atmospheric CO2 concentration would be substantially greater than it is. http://www.physorg.com/news168770767.html Space & Earth Thu, 06 Aug 2009 09:46:42 EST news168770767 (PhysOrg.com) -- `Geoengineering` experiments proposed to reduce global warming by blocking sunlight with atmosphere-injected particles may cool the world but still leave carbon dioxide levels dangerously high, Stanford scientists say. http://www.physorg.com/news165847604.html Space & Earth Fri, 03 Jul 2009 13:47:15 EST news165847604 The thought of coral reefs tends to conjure up images of tropical vacations, complete with snorkeling among tropical fish in crystal clear waters. http://www.physorg.com/news165230151.html Biology Fri, 26 Jun 2009 10:16:14 EST news165230151 Rising carbon dioxide levels in the ocean have been shown to adversely affect shell-forming creatures and corals, and now a new study by researchers at Scripps Institution of Oceanography at UC San Diego has shown for the first time that CO2 can impact a fundamental bodily structure in fish. http://www.physorg.com/news165159011.html Biology Thu, 25 Jun 2009 14:31:07 EST news165159011 New research by zoologists at the University of British Columbia indicates that elevated water temperatures and heightened concentrations of carbon dioxide can dramatically increase the growth rate of a keystone species of sea star. http://www.physorg.com/news163078122.html Biology Mon, 01 Jun 2009 12:29:03 EST news163078122 An explosion of knowledge has been made in the last few years about the basic biology of corals, researchers say in a new report, helping to explain why coral reefs around the world are collapsing and what it will take for them to survive a gauntlet of climate change and ocean acidification. http://www.physorg.com/news162739523.html Space & Earth Thu, 28 May 2009 14:26:03 EST news162739523 Overfishing and disease have decimated shellfish populations in many of the world's temperate estuarine and coastal ecosystems. Smithsonian scientists, led by Whitman Miller, ecologist at the Smithsonian Environmental Research Center in Edgewater, Md., have discovered another serious threat to these valuable filter feeders -rising levels of atmospheric carbon dioxide that contribute to the acidification of open ocean, coastal and estuarine waters. Their findings are being published in the open-access, peer-reviewed journal PLoS ONE, May 27. http://www.physorg.com/news162625314.html Space & Earth Wed, 27 May 2009 06:42:21 EST news162625314 (PhysOrg.com) -- Groundbreaking Victoria University research shows that ocean acidification may have no negative effect on tropical corals and local sea anemones - in fact it may improve photosynthesis. http://www.physorg.com/news161877580.html Biology Mon, 18 May 2009 15:00:20 EST news161877580 Urgent action is needed to limit damages to marine ecosystems, including coral reefs and fisheries, due to increasing ocean acidity, according to 155 of the world`s scientific experts who will release the Monaco Declaration this Friday. http://www.physorg.com/news152527254.html Space & Earth Fri, 30 Jan 2009 08:41:24 EST news152527254 Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition to the recovery of these aquatic and terrestrial ecosystems. Regional-scale studies have focused primarily on aquatic systems and while many of these ecosystems are showing signs of chemical recovery (increases in acid neutralizing capacity and pH, decreases in sulfate and aluminum concentrations), recovery is slower than expected based on the magnitude of the decline in acid deposition. http://www.physorg.com/news150988084.html Space & Earth Mon, 12 Jan 2009 13:08:04 EST news150988084 Concern about increasing ocean acidification has often focused on its potential effects on coral reefs, but broader disruptions of biological processes in the oceans may be more significant, according to Donald Potts, a professor of ecology and evolutionary biology at the University of California, Santa Cruz, and an expert in coral reef ecology and marine biodiversity. http://www.physorg.com/news148756963.html Space & Earth Wed, 17 Dec 2008 17:22:43 EST news148756963 (PhysOrg.com) -- Good news has turned out to be bad. The ocean has helped slow global warming by absorbing much of the excess heat and heat-trapping carbon dioxide that has been going into the atmosphere since the start of the Industrial Revolution. http://www.physorg.com/news144066924.html Space & Earth Fri, 24 Oct 2008 11:35:24 EST news144066924 (PhysOrg.com) -- Climate change and the subsequent acidification of the world's oceans will significantly reduce the successful fertilisation of certain marine species by the year 2100, an international team of biological scientists has found. http://www.physorg.com/news137253098.html Biology Wed, 06 Aug 2008 14:51:38 EST news137253098 Increasingly acidic conditions in the ocean -brought on as a direct result of rising carbon dioxide levels in the atmosphere -could spell trouble for the earliest stages of marine life, according to a new report in the August 5th issue of Current Biology, a publication of Cell Press. Levels of acidification predicted by the year 2100 could slash the fertilization success of sea urchins by an estimated 25 percent, the study shows. http://www.physorg.com/news136736181.html Biology Thu, 31 Jul 2008 15:16:21 EST news136736181