August's Green Sundays explores the depths of water - where it comes from, how we use it, ways to conserve it and what is happening with ocean pollution.
Over the past 15 years, Spain's Navarre region has undergone an energy transformation.
Prolific author and airline captain Elmo Jayawardene is a man with amission; not only to write books and fly aeroplanes, but to alleviatepoverty in his homeland, Sri Lanka.
It has a top speed of 130 mph and George Clooney has already ordered one. It is for different reasons however that the Tesla Roadster is receiving so much publicity, it's fuelled by electricity.
Solar cells now supply electricity to more than one million homes worldwide. World production of solar cells, which convert sunlight directly into electricity, soared to 742 megawatts in 2003, a [...]