M. G. JACKSON is a former Professor of Agriculture and sometime Director of Research at the G. B. Pant University of Agriculture and Technology, Pantnagar, India. On his early retirement in 1982 he worked as an Environmental Educator with the Uttarakhand Environmental Education Centre designing and testing the Centre's school environmental education course. He has a related interest in sustainable agriculture and has published a collection of essays under the title "The Ecological Village,"