The effect of climate change on iceberg production by Greenland glaciers

Ocean Conserve - Mon, 05/13/2013 - 00:05
SPX: While the impact of climate change on the surface of the Greenland ice sheet has been widely studied, a clear understanding of the key process of iceberg production has eluded researchers for many years. Published in Nature this week, a new study presents a sophisticated computer model that provides a fresh insight into the impact of climate change on the production of icebergs by Greenland glaciers, and reveals that the shape of the ground beneath the ice has a strong effect on its movement....
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Study: Climate change will cut habitats by 2080

Ocean Conserve - Sun, 05/12/2013 - 21:16
USA Today: Global warming will destroy more than half of the habitats of most plants and a third of animals by 2080, biologists conclude, unless steps are taken to limit greenhouse gases. Over the past century, average global surface temperatures have increased about 1.4 degrees Fahrenheit, according to the National Academy of Sciences. This global warming is largely due to burning fossil fuels, such as coal, oil and natural gas, which retain heat and warm the atmosphere. Temperatures worldwide are expected...
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Life on Earth under threat from CO2 levels, say scientists

Ocean Conserve - Sun, 05/12/2013 - 17:40
Independent: There will be a dramatic global decline in the number of animal and plant species this century if the world continues to procrastinate over measures to cut carbon dioxide emissions to limit climate change, a study has found. Current CO2 emissions are currently tracking on the highest trajectory envisaged by climate scientists. That means if nothing is done to reduce emissions significantly over the coming decades, over half of common plants and one-third of the animals could see a serious decline,...
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Climate change forecast to shrink habitat of common plants, animals

Ocean Conserve - Sun, 05/12/2013 - 17:40
Reuters: The habitats of many common plants and animals will shrink dramatically this century unless governments act quickly to cut rising greenhouse gas emissions, scientists said on Sunday after studying 50,000 species around the world. The scientists from Britain, Australia and Colombia said plants, amphibians and reptiles were most vulnerable as global temperatures rise and rainfall patterns change. About 57 percent of plants and 34 percent of animal species were likely to lose more than half the area...
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On the Brink: Climate Change Endangers Common Species

Ocean Conserve - Sun, 05/12/2013 - 17:03
LiveScience: A wide variety of plants and animals are likely to become much less common if something isn't done to avert the worst effects of a warming climate, new research suggests. Under a "business as usual" scenario, where greenhouse gas emissions aren't significantly reduced, about 50 percent of plants and one-third of animals are likely to vanish from half of the places they are now found by 2080, said Rachel Warren, a researcher at the University of East Anglia in England. These losses could lead to...
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Common plants, animals threatened by climate change, study says

Ocean Conserve - Sun, 05/12/2013 - 17:02
LA Times: Climate change could lead to the widespread loss of common plants and animals around the world, according to a new study released Sunday in the journal Nature Climate Change. The study's authors looked at 50,000 common species. They found that more than half the plants and about a third of the animals could lose about 50% of their range by 2080 if the world continues its current course of rising greenhouse gas emissions. Climate change affects the availability of nutrition and water for animals...
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Last time CO2 hit 400 ppm, temperature was 8C warmer, seas 40m higher than today

Ocean Conserve - Sun, 05/12/2013 - 14:22
Guardian: Lake sediments recorded the climate of the Arctic during the last period when CO2 levels were as high as today The future of a globally warmed world has been revealed in a remote meteorite crater in Siberia, where lake sediments recorded the strikingly balmy climate of the Arctic during the last period when greenhouse gas levels were as high as today. Unchecked burning of fossil fuels has driven carbon dioxide to levels not seen for 3m years when, the sediments show, temperatures were 8C higher...
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Arctic drilling: Coast Guard monitoring, enforcement feel pinch of sequester

Ocean Conserve - Sat, 05/11/2013 - 14:00
EnergyWire: The Coast Guard is cutting back its Arctic operations this summer to meet the across-the-board federal budget cuts imposed by Congress under sequestration. Coast Guard officials are completing plans for a scaled-back Arctic monitoring and enforcement program, which might be based out of Kotzebue along Alaska's northwestern coast. Because of budget cuts, the Arctic Shield 2013 program is likely to be conducted during July and September only. Last year's operations, which ran through the four-month...
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Icy Arctic rising as economic, security hot spot

Ocean Conserve - Sat, 05/11/2013 - 14:00
Associated Press: The icy Arctic is emerging as a global economic hot spot -- and one that is becoming a security concern for the U.S. as world powers jockey to tap its vast energy resources and stake out unclaimed territories. Diplomats from eight Arctic nations, including Secretary of State John Kerry, will meet next week over how to protect the thawing region as its waterways increasingly open to commercial shipping traffic. U.S. officials estimate the Arctic holds 13 percent of the world's undiscovered oil...
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Britain's migratory birds stay away as climate change moves their wintering areas further north

Ocean Conserve - Sat, 05/11/2013 - 08:59
Independent: Migratory waterbirds have shifted their wintering areas north-eastwards due to Europe's changing climate, scientists have revealed. They found a strong link between changes in the numbers of goldeneyes, tufted ducks and goosanders wintering across northern Europe and changes in temperature in early winter. In Finland and Sweden, the mid-winter numbers of these three species are more than 130,000 higher than three decades ago. Correspondingly, on the southern edge of the distribution in France,...
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Ice Cores Reveal Green Arctic

Ocean Conserve - Fri, 05/10/2013 - 23:14
Scientific American: The Arctic wasn't always covered in ice. Samples of sediment layers beneath a frozen lake show this region used to be a lot warmer—and may thaw out again in the future. The work is in the journal Science. El'gygytgyn, a Russian lake 100 kilometers north of the Arctic Circle, contains layers of sediment that date back to the lake's formation 3.6 million years ago. Analyses of sediment cores have revealed that back then summers reached about 15 to 16 degrees Celsius, a good 8 degrees warmer than modern...
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Scottish climate change could wipe out rare birds

Ocean Conserve - Fri, 05/10/2013 - 14:00
Scotsman: Some of Scotland`s rarest birds could be wiped out by the end of the century as a new UK report highlights "profound" climate change in the Highlands, experts have warned. Ptarmigan, dotterel and snow bunting have already been forced to the tops of the highest Scottish peaks as global warming has shrunk the cooler high- altitude habitat which they need to survive. Experts yesterday published a new report highlighting numerous accepted predictions that climatic conditions in the birds’ territory...
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Worst-Ever Right Whale Die-Off Continues to Puzzle

Ocean Conserve - Fri, 05/10/2013 - 11:02
LiveScience: Scientists still don't know why hundreds of baby southern right whales are turning up dead around Patagonia, a decade after observers first saw signs of the worst die-off on record for the species, according to the Wildlife Conservation Society (WCS). With no evidence of infectious diseases or deadly toxins in whale tissue samples, scientists are scrambling to determine a cause of death. Some are even pointing a finger at blubber-eating birds. The whales come to the peaceful Atlantic bays around...
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Women are 'key drivers' in climate change adaptation

Ocean Conserve - Fri, 05/10/2013 - 08:00
SciDevNet: Plans to protect ecosystems and help people adapt to climate change ? also known as ecosystem-based adaptation (EBA) ? must involve vulnerable groups, including women and communities greatly hit by global warming if they are to succeed, according to scientists who met in Tanzania last month (21-23 March). Scientists and policymakers at the UN-ledinternational workshop on EBA in Dar-es-Salaam, also said that more needed to be done to monitor and evaluate the cost-effectiveness of such adaptation,...
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United Kingdom: London zoo trawls world for mate for endangered tropical fish

Ocean Conserve - Fri, 05/10/2013 - 07:59
Press Association: A worldwide appeal has been launched to find a mate for the last remaining males of a tropical fish on the brink of extinction. The Mangarahara cichlid, from Madagascar, is believed to have vanished from the wild as a result of the building of dams, which has dried up its habitat on the Mangarahara river. Two of the last-known individuals from the species are in London zoo's aquarium, but both are male, the Zoological Society of London (ZSL) said. Another male is known to be in Berlin zoo...
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This is the EU's best chance in a decade to reduce fish discards

Ocean Conserve - Fri, 05/10/2013 - 07:17
Hugh Fearnley-Whittingstall: I've often given our fisheries minister, Richard Benyon, a hard time in my Fish Fight programmes. And what I've found – and what most other people confirm – is that he is a Very Nice Guy. He stayed charming at Billingsgate market where I tested his knowledge of our most common commercial fish species, and remained polite and courteous while I hassled him in his constituency office for more ambitious marine protection around the coast of the UK. And I believe that, unlike some politicians, his charm...
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Marshall Islands faces acute water shortage

Ocean Conserve - Fri, 05/10/2013 - 06:30
Associated Press: About 6,000 people who live on the remote Marshall Islands in the Pacific are facing an acute shortage of fresh water as a severe drought worsens. A state of disaster was declared in the north. Australia announced it would provide AU$100,000 (£65,335) for emergency desalination units. The US has also donated several reverse-osmosis machines, which convert salt water into fresh water. There is no end in sight to the drought, with fine weather forecast for at least the next 10 days. The drought...
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Shale gas: green groups condemn methane flaring plans for wells

Ocean Conserve - Thu, 05/09/2013 - 19:59
Guardian: The two companies exploring for shale gas in the UK have confirmed that they intend to flare methane gas from their wells in a move that has been condemned by environmentalists. It is likely to be the most visible sign of the fracking revolution that many in business and government would like to bring to the UK. Flaring excess gas is widely regarded as environmentally damaging, as burning the methane results in greenhouse gas emissions that contribute to climate change. In the US, where fracking...
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Ice-free Arctic may be in our future

Ocean Conserve - Thu, 05/09/2013 - 19:54
ScienceDaily: Analyses of the longest continental sediment core ever collected in the Arctic, recently completed by an international team led by Julie Brigham-Grette of the University of Massachusetts Amherst, provide "absolutely new knowledge" of Arctic climate from 2.2 to 3.6 million years ago. "While existing geologic records from the Arctic contain important hints about this time period, what we are presenting is the most continuous archive of information about past climate change from the entire Arctic...
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Coral reefs suffering, but collapse not inevitable

Ocean Conserve - Thu, 05/09/2013 - 18:53
ScienceDaily: Coral reefs are in decline, but their collapse can still be avoided with local and global action. That's according to findings reported in the Cell Press journal Current Biology on May 9 based on an analysis that combines the latest science on reef dynamics with the latest climate models. "People benefit by reefs' having a complex structure -- a little like a Manhattan skyline, but underwater," said Peter Mumby of The University of Queensland and University of Exeter. "Structurally complex reefs...
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