Property prices soar in the desertIndia's thirst for solar energy has transformed Mr Singh's property from a dry, dusty inhospitable environment into a sun-drenched power socket that promises much, both for energy companies and for a country that still suffers black-outs.
UK 'needs new climate policies'Major changes in policy are still needed to meet climate targets despite emission cuts brought about by the recession, say government advisors.
Barack Obama calls for clean-energy pushUS President Barack Obama has called on his party and supporters to back a "new future" of clean energy.