syguy writes: "Sir Richard Branson is offering a $25 million prize to anyone who invents a way to remove greenhouse gases from the atmosphere. The Virgin Earth Challenge as it will be known is part of Branson's commitment to spend 100% of Virgin's airline and train proceeds, estimated to total $3 billion over 10 years. Making the announcement with 'Inconvenient Truth' star and former Vice President, Al Gore, Branson said, "Man created the problem and therefore man should solve the problem". Only $2.975 billion to go..."
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