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Climate Code Red: The Case for Emergen/Spratt, David /Paper/1921372206/S019-F
In this meticulously documented call-to-action, David Spratt and Philip Sutton reveal extensive scientific evidence showing the global warming crisis is far worse than official reports and national governments have indicated ù and that weÆre almost at the point of no return.
Serious climate change impacts are already happening, more rapidly and at lower global temperature increases than projected. As the USAÆs most eminent climate scientist, James Hansen, told 15,000 of his colleagues at a conference in December 2007, significant climate ætipping pointsÆ have already been passed. These include large ice-sheet disintegration, significant sea level rises of up to five metres this century, and devastating species loss. The Arctic will soon be free of summer sea-ice ù a century ahead of projections by the Intergovernmental Panel on Climate Change ù and the Greenland ice sheet is in imminent danger.
The tipping point for the loss of the Arctic sea-ice was around two decades ago, when temperatures were about 0.3¦C lower than at present. Climate Code Red shows that further temperature increases of 2 degrees are effectively already in the system. Even a temperature increase cap of 2û2.4¦C, which is proposed within the United Nations framework (and is far below what most governments are prepared to aim for), would take the planetÆs climate beyond the temperature range of the last million years.
David Spratt and Philip Sutton show that the unofficial projected speed of climate change ù with temperature increases greater than 0.3¦C per decade, and a consequent rapid shifting of climatic zones ù will result in most ecosystems failing to adapt, causing the extinction of many species. The oceans will become more acidic, endangering much marine life.
Spratt and Sutton believe we now need to think the unthinkable, because the case for emergency action is not so much a radical idea as an indispensable course we must embark upon if we are to return to a safe-climate planet.