Branson outlines world powered by wind, solar power

Entrepreneur Richard Branson outlined a vision of the world powered by renewable energy and said it would be "pretty dreadful" if a forthcoming UN climate summit is not a success.

Space tourism won't hurt environment, Branson says

British billionaire Richard Branson said Monday that rocket-powered space tourism flights by his firm Virgin Galactic would have only a minor impact on climate change.

Virgin Galactic readies maiden suborbital flight

British billionaire Sir Richard Branson will unveil a craft on Monday that could soon carry tourists on an out-of-this-world trip into space -- for a mere 200,000 dollars. (Update: Virgin Galactic unveils commercial spaceship)