CHINA claims that its economy is growing at 10 to 11 percent a year, and China’s official analysts say that their nation will catch up with the United States long before the 22nd century arrives. Don’t believe it.

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Together, we project these four clean-energy technologies, which totaled $39.9 billion in 2005 and expanded 39 percent to $55.4 billion in 2006, to quadruple to more than $226.5 billion within a decade.