I was reading this post on the WorldChanging blog and was overjoyed to learn that solar may be practical in developing nations.
The Kyoto treaty, which the United States has cowardly refused to sign, represents the chance to vastly reduce the amount of CO2 that we release into the environment. Nations that are able to reduce polution more than their allocation can sell their Carbon Credits to other nations.
More importantly, there is also a provision that allows for investing in renewable projects elsewhere and receiving Carbon Credits for that. Many countries are going to have a difficult time reducing their emmissions. This may mean that these nations will invest in projects in Africa and other developing nations that reduce the net emmissions of the globe.
These provisions if properly enforced will make it easier for developing nations to get foreign investment for renewable energy projects. A drop in the price of Solar Panels would also be welcome.