Ozone hole Green house effect 2 Acid rain 1 Aerosols 1 Air pollution 1 Cadmium 1 Chernobyl accident 1 Coal 1 Desert 1 Disaster management 1 Earth atmosphere 1 Earthquake 1 Emission control 1 Estuary 1 Flood control 1 Fluorine 1 Fuels 1 Gaseous fuel 1 Global dimming 1 Global warming 1 Hazardous waste management 1 Heating of rivers 1 Historical backdrop of global warming 1 Mercury ,Health damage 1 Nuclear energy 1 Oceanography 1 Ozone depletion 1 Petroleum industry 1 River 1 Rivers, Heating 1