There is still a long way to go, but these ten countries are already investing in a technology that could save the environment, and generate a lot of business opportunities.
Like the space race did a half century ago, the international race for renewable energy technology has a similar sense of urgency. The winners will capture new technology, jobs, new manufacturing industry, and greater energy security.
Worlds biggest solar oven, just outside Font Romeau, France. Photo by JJ Jasmis