Climate Change Dispatch news

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Worst-Case Scenario for Sea-Level Rise Magically Halved Posted: 08 Dec 2010 08:41 AM PST Telegraph: The Met Office has halved its "worst case" prediction for rising sea levels, in the latest instance of scientists being caught out for overstating the possible consequences of global warming. Previously scientists had said oceans could rise by up to 13ft (4m) threatening cities like Shanghai, London and New York by 2100.

New NASA model: Doubled CO2 means just 1.64°C warming Posted: 08 Dec 2010 06:26 AM PST A group of top NASA boffins says that current climate models predicting global warming are far too gloomy, and have failed to properly account for an important cooling factor which will come into play as CO2 levels rise. According to Lahouari Bounoua of NASA's Goddard Space Flight Center, and other scientists from NASA and the US National Oceanic and Atmospheric Administration (NOAA), existing models fail to accurately include the effects of rising CO2 levels on green plants. As green plants breathe in CO2 in the process of photosynthesis – they also release oxygen, the only reason that there is any in the air for us to breathe – more carbon dioxide has important effects on them.

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