The story of a land once lush now being converted to desert (ABC News). Much of Somalia has become uninhabitable in the space of a single lifetime because of a rapidly changing climate, leaving millions of people in a hopeless situation.
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A new report about the state of the Great Barrier Reef. “Coral bleaching on Australia’s Great Barrier Reef is worse than first thought and the impact will accelerate unless global greenhouse gas emissions are cut, scientists said Monday.” Other pressures are also described, but continued warming of surface waters is of overwhelming importance.
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New emphasis on the need for high carbon taxes. This argument calls for a steadily stiffening tax that rises to $100 per ton by 2030. There is no better way to produce the incentives necessary for drastic emissions reduction, and these well-known economists say the tax plan they recommend would be enough to get the kind of result required for saving the planet.
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New revelations about the science behind temperature changes in the Arctic. There are temperature fluctuations that occur naturally over a period of decades, caused by a combination of events in places far removed from the Arctic. The effect is less strong than that of current global warming due to greenhouse gas, but it can either accelerate or decelerate the pace of the latter. The phenomenon also explains some anomalies from the past.
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A potential cutting edge technology for reducing emissions that gets little publicity. The process uses “supercritical carbon dioxide” in place of steam to drive turbines. It is worth mentioning because Science magazine is saying in two recent articles that commercial development could be fast approaching.
–This article from Science provides interesting background material about the inventors:
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