25 speakers from United Kingdom
- Tony Colman
- Paul Connett
- Richard Douthwaite
- John Elkington
- Scilla Elworthy
- Lynne Franks
- Herbert Girardet
- Jane Goodall
- Sir Peter Hall
- Hazel Henderson
- Patrick Holden
- Dr Vyvyan Howard
- Tony Juniper
- Satish Kumar
- Annie Lennox
- Caroline Lucas
- Michael Meacher
- Aubrey Meyer
- Helena Norberg-Hodge
- Ann Pettifor
- Dame Anita Roddick
- Tessa Tennant
- Sir Crispin Tickell
- HRH Prince of Wales
- David Wasdell
Speakers around the World
View speakers by continent: Oceania, Europe, North America, South America, Asia, Africa
