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Australia: Great Barrier Reef Faces Irreversible Damage

2014-03-08 15:30:00| Climate Ark Climate Change & Global Warming Newsfeed

Guardian: The Great Barrier Reef will suffer "irreversible' damage by 2030 unless radical action is taken to lower carbon emissions, a stark new report has warned. Unless temperatures are kept below the internationally agreed limit of 2°C warming on pre-industrial levels, the reef will cease to be a coral-dominated ecosystem, the report warns. Unless temperatures are kept below the internationally agreed limit of 2°C (3.6°F) warming on pre-industrial levels, the reef will cease to be a coral-dominated...

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Rapid Thinning of Antarctica's Pine Island Glacier May be Irreversible

2014-01-15 16:02:00| Climate Ark Climate Change & Global Warming Newsfeed

Nature World: The rapid thinning of Pine Island Glacier, located on the West Antarctic ice sheet, may be irreversible, an international team of scientists warn. Spanning more than 160,000 square kilometers, the PIG, as the ice mass is known, is the largest single contributor to sea-level rise in Antarctica, contributing 25 percent of the total ice loss from West Antarctica, according to the new study published in the journal Nature Climate Change. The report states that melting has become so excessive, the...

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Big glacier's retreat 'irreversible'

2014-01-14 13:24:00| Climate Ark Climate Change & Global Warming Newsfeed

BBC: Antarctica's mighty Pine Island Glacier (PIG) is now very probably in a headlong, self-sustaining retreat. This is the conclusion of three teams that have modelled its behaviour. Even if the region were to experience much colder conditions, the retreat would continue, the teams tell the journal Nature Climate Change. This means PIG is set to become an even more significant contributor to global sea level rise - on the order of perhaps 3.5-10mm in the next 20 years. "You can think of PIG...

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Loss of tropical coral reefs could be first irreversible climate consequence

2014-01-02 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

InsideClimate: Many people are by now familiar with the Keeling curve, a graph showing the steady increase in carbon dioxide in the atmosphere measured over decades by the Mauna Loa Observatory, the world's longest-running CO2 monitoring station. The research, started by renowned climate scientist Dave Keeling in 1958, is considered one of the pillars of the scientific consensus that human activity is the main driver of climate change. This year, the data revealed a troubling milestone: CO2 concentrations had...

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