Ecover is a Belgian company manufacturing omestic ecological cleaning products. It is solely owned by Jørgen Philip-Sørensen CBE. Ecover claims to have the world’s first "ecological factory," opened in 1992 . The factory is made from recycled and recyclable materials. The factory recycles waste water which is returned for use in the factory using a windmill pump. The grass-covered roof has insulating properties which saves energy and supports a wildlife garden. The roof was included by the architects as a functional piece of the designs. The factory also included grass banks and reed beds around the factory to help it merge into the countryside.