Environmental aspects Refuse and refuse disposal Sanitary landfills 4 Leaching 3 Management 3 Waste disposal 3 Cost effectiveness 2 Economic aspects 2 Factory and trade waste 2 Leachate 2 Medical wastes 2 Oxidation 2 Plastic scrap 2 Pollution 2 Purification 2 Recycling (Waste, etc.) 2 Salvage (Waste, etc.) 2 Sewage disposal 2 Water 2 Water quality 2 Additives 1 Beaches 1 Biomass energy 1 Bioremediation 1 Blasting 1 Business logistics 1 COVID-19 (Disease) 1 Carbon 1 Case studies 1 Compost 1