Related by context. Frequent words. (Click for all words.) 66 polluters 64 polluting 55 pollution 51 emitters 51 polluted 50 emission 50 emission reduction 50 emissions 49 greenhouse gases 48 greenhouse emissions 48 pollutant 47 pollutants 47 carbon emissions 47 pollute 46 air pollution 46 greenhouse gas emissions 45 coal fired 45 greenhouse gas 45 coal 44 carbon 43 carbon dioxide emissions 42 fossil fuels 42 coal mines 42 fossil fuel 42 Emissions 42 smelters 41 poorer nations 41 mercury emissions 41 steel mills 41 GHG emissions 40 Pollution 40 carbon dioxide 40 steelmakers 40 industrialized 40 export oriented 39 economies 39 sulfur dioxide 39 coal mining 39 environmentalists 39 toxic chemicals 39 reduce carbon emissions 39 carmakers 39 toxic waste 38 dairies 38 multinational corporations 38 tar sands 38 emerging economies 38 smog 37 multinationals 37 CO2 37 renewables 37 smelting 37 carbon credits 37 SEZs 37 renewable energy 37 CO2 emissions 37 climate change 37 hydropower 37 Environmentalists 37 environmental degradation 36 Greenpeace 36 factories 36 Kyoto Protocol 36 industries 36 EPA 36 deforestation 36 automakers 35 toxic 35 gases 35 acid rain 35 toxic substances 35 emitting 35 industrialization 35 mining 35 inefficient 35 industrialized countries 35 wind farms 35 smelter 35 refiners 35 protectionist 34 gas guzzlers 34 protectionism 34 noxious 34 stimulus packages 34 vested interests 34 industrialized nations 34 global warming 34 environmental 34 subsidies 34 coal ash 34 environmentally sensitive 34 refineries 34 renewable 34 oilsands 34 corporations 34 dams 34 Environmental Protection Agency 34 emitter 33 Automakers 33 planting trees 33 windfall profits