CNN CNN Newsroom With Miguel Marquez July 13, 2014 22:54:00
>> reporter: approximately 8.3 million people live here. and by 2031, that number is expected to climb to 10 million. a growing population that means a growing need for energy. london, one of the most historic cities in the world, knows that in order to keep up with future energy demands, they need to update and diversify their energy portfolio. >> it's really bad. how do we get to more cleaner future reliable energy source and that's really what the london array is about, is moving from that old, coal gas nuclear to more renewable and offshore winds. >> reporter: the uk is one of the world's ...