Turning Fatbergs into Fuel

Lurking in the sewers beneath the streets there are giant blobs of congealed cooking fat known as “fatbergs”. Now one company has come up with a clever way of making money out of them. Their efforts may one day change perceptions of fatbergs – turning the lumps of putrid waste into a valuable commodity.Presenter: Tom Colls Reporter: Nick Holland(Image: A fatberg, Credit: Thames Water)