Related by context. Frequent words. (Click for all words.) 72 incinerator 72 incineration 61 landfills 57 landfill 57 waste disposal 51 coal fired 51 hazardous waste 49 toxic waste 49 gasification 49 waste 48 boilers 48 biomass 48 cooling towers 47 radioactive waste 47 sewage treatment 47 crematorium 47 furnaces 45 septic tanks 44 mercury emissions 44 toxic substances 43 garbage dump 43 pollutants 43 wastes 43 contaminated soil 43 hospitals 43 cogeneration 43 garbage disposal 43 dioxins 43 Landfill 42 pollutant 42 fossil fuel 42 wastewater treatment 42 polluting 42 composting 42 biogas 42 coal ash 42 toxic chemicals 42 depleted uranium 42 effluent 41 wind farms 41 pollution 41 recycling 41 sewage 41 air pollution 41 Waste 41 hazardous chemicals 40 fossil fuels 40 wastewater 40 emission reduction 40 quarries 40 Covanta 40 turbines 40 sludge 40 smelters 40 coal 40 septic systems 40 storage tanks 40 PCBs 39 nuclear reactors 39 smelting 39 incinerated 39 refineries 39 Biomass 39 wind turbines 39 reprocessing 38 cremation 38 reactors 38 radioactive materials 38 gases 38 renewables 38 pollute 38 munitions 38 CFLs 38 carbon capture 38 laboratories 38 toxins 38 Waste Management 38 wood chips 38 chemicals 37 slaughterhouses 37 solvents 37 emissions 37 hazardous substances 37 greenhouse gases 37 carcinogens 37 plants 37 incandescent bulbs 37 particulates 37 combustion 37 radioactive material 37 disposal 37 recyclable materials 37 garbage 36 biodiesel 36 recyclables 36 lagoons 36 byproducts 36 compost 36 dump 36 composted 36 fracking