Related by context. Frequent words. (Click for all words.) 74 sulfur dioxide 70 mercury emissions 66 emissions 65 carbon dioxide emissions 64 nitrogen oxide 62 pollution 62 air pollution 61 coal fired 61 greenhouse gas emissions 61 greenhouse gases 61 GHG emissions 60 carbon dioxide 60 nitrogen oxides 59 greenhouse emissions 58 emission 58 carbon emissions 57 Emissions 57 acid rain 57 emission reductions 56 greenhouse gas 56 pollutants 56 particulate matter 55 CO2 emissions 55 NOx 55 greenhouse gas emission 53 CO2 53 carbon emission 53 GHG 53 scrubbers 53 carbon dioxide CO2 52 heat trapping gases 52 emission reduction 51 reduce carbon emissions 51 pollutant 48 coal 47 soot 46 sulfur 46 methane 46 particulates 46 smelter 46 ozone 45 Clean Air 45 smokestacks 45 smog 45 thermal coal 44 Air Quality 44 smelting 44 volatile organic compounds 44 polluter 44 smelters 44 polluting 44 gigawatts 43 EPA 43 mercury 43 cleaner burning 43 Carbon dioxide 43 polluters 43 burning fossil fuels 43 ash 43 particulate 42 carbon 42 ethylene 42 fossil fuel 42 megawatts 42 nitrogen 42 carbon capture 42 coal ash 41 Environmental Protection Agency 41 Pollution 41 smokestack 41 manganese 41 gases 41 benzene 41 carbon sequestration 41 Clean Water Act 41 emitters 41 reducing carbon emissions 40 biomass 40 VOCs 40 fossil fuels 40 phosphorus 40 toxic chemicals 40 megawatt 39 #MW [002] 39 hydroelectric 39 discharges 39 hazardous waste 39 tailings 39 emitted 39 coal mines 38 refining capacity 38 phosphorous 38 arsenic 38 dioxins 38 hydrogen sulfide 38 soil erosion 38 megawatts MW 38 pollute 38 tritium 38 ammonia 38 Power Plant