natural disasters Ecosystems 1 Energy resources 1 Environmental studies 1 Food resources 1 Forest resources 1 Human population 1 Land resources 1 Mineral resources 1 Non Renewable resources 1 Nuclear pollution 1 Radiation pollution 1 Renewable resources 1 Water resources 1 agricultural research 1 climatic change 1 consumerism 1 disaster management 1 marine pollution 1 soil pollution 1 thermal pollution 1 wasteland reclamation 1