Thames21

Thames21 is an environmental charity working with communities to bring London's waterways to life. Thames21 mobilise thousands of volunteers every year to clean up waterside grot-spots, remove graffiti and create new habitats for wildlife. Thames21 aim to transform neglected and littered waterways into areas that everyone can use and enjoy by encouraging all Londoners to treat their waterways with care and respect.

Video : The River Cleaners
Website : Thames21