Related by context. Frequent words. (Click for all words.) 48 environmental 41 environmental impacts 40 pollutants emitted 40 tailpipe standards 39 Environmental Protection Agency 39 pollution 39 environmentalists 39 tailpipe emissions 38 Act CEQA 38 pollutants 38 pollutant 37 Kyoto Protocols 37 Steve Curwood hosts 37 Columbia Riverkeeper 37 Sierra Club 37 Secretary Kathleen McGinty 37 Daniel Sperling 37 technologically feasible 37 regulate greenhouse gases 36 EPA 36 curbing greenhouse gases 36 Electric Reliability Coordinating 36 Delaware Riverkeeper Network 36 environmentalism 36 Neil Carman 36 enviromental 36 toxics 35 toxic pollutants 35 smokestack emissions 35 Frances Beinecke 35 Vickie Patton 35 pollutions 35 greenhouse gases GHGs 35 campaigner Al Gore 35 Minister Sigmar Gabriel 35 polluter 35 pollutant emissions 35 environmentally harmful 35 environmentally damaging 34 environmentalist 34 Environmental 34 heat trapping emissions 34 NRDC 34 greenhouse gas emission reductions 34 greenhouse gas emission 34 polluting 34 polluters 34 polluter pays 34 Carbon dioxide emissions 34 emitting greenhouse gases 33 Environmentalist 33 amicus brief supporting 33 commissioner Stavros Dimas 33 smog forming 33 ecological 33 greenhouse gasses 33 spokesman Jonathan Shradar 33 mercury pollution 33 hazardous substances 33 environmentally 33 Pollution Control Agency 33 greenhouse gases 33 air pollution 33 Fred Krupp 33 Environmentalists 33 Andrew Wetzler 32 greenhouse gas emissions 32 EarthTalk 32 environmentally unfriendly 32 soot pollution 32 greenwashing 32 hazards 32 greenwash 32 emissions 32 carbon emission reductions 32 sulfur dioxide nitrogen oxides 32 Walhi 32 Jeff Tittel director 32 Natural Resources Defense 32 Ecojustice 32 carbon dioxide emission 32 Environment Protection Agency 32 greenhouse gas 32 Toxic Release Inventory 32 Environmental Integrity 32 harmful pollutants 32 wastewater discharges 31 greenhouse gas GHG 31 exhaust emission 31 Randy Mastro 31 Xie Zhenhua 31 nutrient runoff 31 greenhouse gases GHG 31 categorical exclusion 31 sulfur oxides 31 Greenaction 31 mercury arsenic 31 Environment 31 CERCLA 31 VOC emissions 31 sediment runoff