Mucking Marshes: Landfill site to wildlife haven - BBC London 

Perhaps the last place you’d expect to find a wildlife haven is on one of the largest landfill sites in Europe. For 50 years Mucking Marshes on the Thames Estuary was a site where thousands of tons of rubbish was spread over the land every day. Since closing seven years ago though, the place has transformed into one of our region’s most ecologically rich spots - as naturalist Mike Dilger discovered.