Environmental aspects Dissertations 172 Dissertations, Academic 167 Pollution 25 Pesticides 24 Environmental impact analysis 23 Heavy metals 21 Water 15 Management 14 Land use 12 Economic aspects 10 Sustainable development 10 Water quality 10 Agriculture 9 Industries 9 Environmental management 8 Social aspects 8 City planning 7 Air 6 Economic development 6 Industrial sites 6 Logging 6 Malaysia 6 Awareness 5 Climatic changes 5 Industrial management 5 Refuse and refuse disposal 5 Standards 5 Toxicology 5 Analysis 4