Sandy and Caz Hore-Ruthven visit a tourist trap with a message.

David Swann is a medical doctor who has become known in Canada for sticking his neck out on points of principle. He talked to Gordon Legge at a moment when the debate about war with Iraq was at its height.

A narrow brush with death led Richard St George to devote his life to conservation. The Director of the Schumacher Society talks to Caz and Sandy Hore-Ruthven.

Award-winning environmental journalist Geoffrey Lean has seen Earth Summits come and go. On his return from Johannesburg in September, he spoke at a meeting at the Initiatives of Change centre in London. We print extracts:

Sir Mark Moody-Stuart is Chairman of Anglo American plc and was Chairman of Business Action for Sustainable Development, an initiative of the International Chamber of Commerce and the World Business Council for Sustainable Development for the Earth Summit in Johannesburg.

Prof MS Swaminathan, a pioneer of India's Green Revolution, calls for a new approach to world farming.

His All Holiness the Ecumenical Patriarch Bartholomew of Constantinople is the spiritual head of some 250 million Orthodox Christians worldwide.by the Ecumenical Patriarch Bartholomew of Constantinople

Alan Channer joins people of many faiths and traditions at an ecological symposium in the Chateau de Klingenthal, France

Alan Brockman's hope for the 21st century is no less than a revolution in world farming, which will see organic farming coming into its own.

John Bocock is a dairy and grain farmer in the Canadian prairies to the north of Edmonton, Alberta.