produced by Television Trust for the Environment ; series consultant, Jenny Richards ; produced & directed by Emily Marlow ; series producer, Dick Bower
produced by Television Trust for the Environment ; a presentation of Bullfrog films ; executive producer, Brenda Kelly ; series consultant, Jenny Richards ; directed by Antra Cilinska, Christopher Sioco, Michie Saijo, Poojita Chowdhury, Radhika Kumar, Nikhil Despande