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What could go wrong? Railroad engineer and head of the IPCC Rajendra Pachauri announced at the Cancun climate summit today that he has decided that the threat of global warming is so great that the IPCC is going to recommend in its next report (AR5) that actions be taken to re-engineer the climate. Key quote:
“The AR5 has been expanded and will in future focus on subjects like clouds and aerosols, geo-engineering and sustainability issues,” [Pachauri] said.
Later this year IPCC “expert groups” will meet in Peru to discuss geo-engineering. Options include putting mirrors in space to reflect sunlight or covering Greenland in a massive blanket so it does not melt. Sprinkling iron filings in the ocean “fertilises” algae so that it sucks up CO2 and “seeding clouds” means that less sunlight can get in. Other options include artificial “trees” that suck carbon dioxide out of the air, painting roofs white to reflect sunlight and man-made volcanoes that spray sulphate particles high in the atmosphere to scatter the sun’s rays back into space.