Living Green - Episode 21 - Wave & Tidal Energy

Along with energy from the sun and wind, it is thought that other natural forces, such as wave and tidal energy, could be harnessed in a bid to reduce the world s pollution and use of resources such as oil and coal. A bed has been successfully built to convert the energy produced by the sea in the UK by 2020. It could, conceivably power up to three quarter of a million homes.