Dirty Great Machines

Maritime Monsters (1x3)

Air date: May 11, 2012

Man's desire for natural resources is insatiable, whether it is to power our homes, fuel our cars or build our skyscrapers. But with reserves on land running dry, we are now looking to the oceans to satisfy the needs of 21st century living. This programme showcases the cutting-edge machines at the forefront of this assault.