This document discusses a range of topics related to human geography, including diseases suffered in tropical areas, factors that influence rural and urban populations sizes, characteristics of CBDs and land use conflicts in rural-urban fringes, weathering investigations and coral reef case studies, relationships between vegetation and climate in tropical deserts, natural hazards and their effects on people, agricultural systems and food shortages, factors considered in siting manufacturing industries, benefits and disadvantages of tourism, and factors influencing siting of nuclear power stations. It also addresses identifying areas at risk from environmental threats and attempts to maintain or improve environmental quality.