... improvehealth. Residents in fast-growing cities of the developing world may be exposed to the combined health hazards of unsafe drinking-water, inadequate sanitation, and indoor andoutdoor air pollution. ... Regional Office, Manila, Philippines.- L.R. Panganiban, University of the Philippines, Manila, Philippines.- R. Pararajasegaram, World Health Organization, Geneva, Switzerland.- P. Pisani, WHO International ... Deforestation and the spatio-temporal distribution of savannah and forest members of the Simulium damnosum complex in southern Ghana and south-western Togo. Transactions of the Royal Society of Tropical...