Powering Up: Many experts say we are entering a new energy era: wind, geothermal, hydro...you name it, if it moves and creates even a micro-joule of energy, we'll use it 2/5
Discover 11,128,835 listings and 278,242 playable programmes from the BBC
Powering Up: Many experts say we are entering a new energy era: wind, geothermal, hydro...you name it, if it moves and creates even a micro-joule of energy, we'll use it 2/5
