The Power of a Waterfall - Wonders of Life w/ Prof Brian Cox - BBC HD

Professor Brian Cox looks at the energy conserved by a waterfall and from there explores how long it is suggested energy will exist on our planet. Taken from Wonders of Life. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter.com/bbcearth Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos This is a channel from BBC Worldwide who help fund new BBC programmes.