David T. Suzuki
An eloquent communicator on environmental issues and the host of several radio and TV programmes, including the popular Canadian broadcasting corporation TV series "The Nature of Things", and the Canadian Broadcasting Corporation radio series "It's a Matter of Survival".
He writes a weekly syndicated newspaper column on the environment and is the author of six children's books. He was awarded the UN Gold Medal, UNESCO's Kalinga Prize and holds 11 honorary degrees from Canada and US. He is an Officer of the Order of Canada.