Due to the new report on climatic changes by the IPCC and the film by Al Gore, discussion on the issue is changing very rapidely. This is a hope for any effort for reduction of energy demand, sustainable development and such like. Hope this wind will be sustainalbe.
You find a summary report for policy makers at http://www.ipcc.ch/SPM2feb07.pdf
Posted by fridaheller 
Central Solar Heating Blog 