China has surpassed the U.S. as the world's largest investor in clean-energy technologies. Italy, Brazil and Germany are ranked third, fourth and fifth, respectively. Certain countries are increasing their investments faster than others, however, regardless of raw dollars. A few are declining, too.
Percent Increase in New Clean Tech Investment, 2009 to 2010
| Country | Increase |
| Mexico | 273 |
| Italy | 207 |
| Austrailia | 119 |
| Canada | 56 |
| U.S. | 51 |
| China | 39 |
| Belguim | 35 |
| India | 21 |
| Germany | 20 |
| Brazil | -1 |
| Spain | -56 |
| U.K. | -73 |
Source: Bloomberg New Energy Finance
