Energy resources 3 Food resources 3 Forest resources 3 Land resources 3 Marine pollution 3 Natural disasters 3 Non renewable resources Nuclear pollution 3 Radiation pollution 3 Renewable resources 3 Wasteland reclamation 3 Climatic change 2 Disaster management 2 Mineral resources 2 Natural resources 2 Water resources 2 Consumerism 1 Cyclone 1 Disaster, Natural 1 Earthquakes 1 Ecosystems 1 Environmental studies 1 Floods 1 Human population 1 Landslides 1 Noise pollution 1 Soil pollution 1 Thermal pollution 1 Waste products 1 consumerism 1