Fertiliser created from waste produced in block of toilets used by 700 revellers at Boomtown festival last yearScientists are aiming to grow 4,500 trees at a national park with the help of fertiliser made from festivalgoers’ urine.The fertiliser was created by Bristol-based startup NPK Recovery, which connected their unit to a block of toilets used by 700 revellers at Boomtown…
Source: World news | The Guardian