1. Department of Geography Birkbeck, University of London 32 Tavistock Square London WC1H 9EZ U.K.
2. School of Life Sciences University of KwaZulu‐Natal Room 105 John Bews B, Carbis Road, Scottsville Pietermaritzburg 3209 South Africa
3. Centre for Technology Alternatives in Rural Areas Indian Institute of Technology Bombay Powai Mumbai 400076 India
4. Voluntary Nature Conservancy 101, Radha Darshan, Behind Union Bank of India Vallabh Vidyanagar Gujarat 388120 India