Viewpoints: Powering the planet

According to the International Energy Agency the world will need almost 60% more energy in 2030 than in 2002. But is it possible to meet this growing demand without causing catastrophic damage to the environment? BBC News asked a range of experts how our ballooning thirst for energy can be catered for.

US: Town considers wind energy – but is it legal?

Municipal and state officials are reluctant to say whether the purchase of wind energy, which costs about 2 percent more than conventional sources, is in fact a violation of state law state which appears to prohibit municipalities from paying a premium for utilities, instead mandating that they accept the lowest bid.