Top 10 countries investing in clean energy (16 images)

The clean energy economy is emerging as one of the great global economic and environmental opportunities of the 21st century. In a recent report, The Pew Charitable Trusts, an American nonprofit organization, reports which are the world’s leaders in the clean energy industry, over the past four years.
Updated: April 14, 2010 at 3:01 PM
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For the first time, China leads the world in clean energy investments. With $34.6 billion in 2009, China was making up 30.5% of the G-20 nations’ total investment in renewable energy. Below: U.S. Secretary of Energy Steven Chu (R) looks at tubes carrying algae, a promising oil alternative, in Tianjin on July 17, 2009. (UPI Photo/Stephen Shaver)
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