Related by context. Frequent words. (Click for all words.) 69 emissions 69 carbon dioxide emissions 68 greenhouse gas emissions 67 greenhouse gases 64 greenhouse emissions 63 carbon emissions 62 air pollution 62 pollution 60 GHG emissions 60 greenhouse gas 60 pollutants 60 emission 59 emission reductions 58 mercury 58 coal fired 57 Emissions 57 sulfur dioxide 57 carbon dioxide 57 CO2 emissions 56 emission reduction 56 EPA 55 pollutant 54 Environmental Protection Agency 54 carbon emission 54 Clean Air 53 reduce carbon emissions 52 GHG 51 CO2 50 particulate matter 50 coal ash 50 acid rain 48 polluters 47 toxic chemicals 46 reducing carbon emissions 46 particulates 45 DEQ 45 coal 45 global warming 45 Pollution 44 ozone 44 incinerators 44 soot 43 Environmental Quality 43 polluter 43 PCBs 43 phthalates 43 burning fossil fuels 43 radon 43 polluting 43 electric utilities 42 smog 42 hazardous waste 42 chromium 42 emitters 42 volatile organic compounds 42 landfills 42 biomass 42 gases 41 fossil fuels 41 secondhand smoke 41 Clean Water Act 41 BPA 41 phosphorus 41 methane 41 carbon 41 Air Quality 41 renewables 41 renewable energy 41 smokestacks 40 arsenic 40 gigawatts 40 EPA Administrator 40 fossil fuel 40 perchlorate 40 phosphorous 40 contaminants 40 renewable 40 tailings 40 radioactive waste 40 carcinogens 39 discharges 39 catalytic converters 39 ash 39 landfill 39 Environmental Protection 39 cadmium 39 toxic substances 39 carbon capture 39 toxins 39 groundwater 38 DEP 38 cleaner burning 38 MTBE 38 hazardous chemicals 38 manganese 38 climate change 38 fluoride 38 carbon sequestration 38 smelting 38 sediment 38 Wildlife Federation