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(Click for frequent words.) 92 carbon emissions 91 greenhouse gas emissions 90 CO2 emissions 87 emissions 86 greenhouse gases 83 greenhouse emissions 83 carbon dioxide CO2 emissions 82 greenhouse gasses 81 C# emissions 80 GHG emissions 80 carbon dioxide emission 80 greenhouse gas GHG emissions 79 carbon emission 79 greenhouse gas 79 reduce carbon emissions 78 carbon dioxide 78 carbon dioxide emitted 78 CO2 75 CO2 emission 74 greenhouse gas emission 73 GhG emissions 73 GHGs 72 carbon emitted 72 greenhouse gases emitted 72 reducing carbon emissions 72 emission reductions 71 carbon dioxide CO2 71 emission 71 GHG emission 71 CO2 emitted 70 CO ² emissions 70 CO -2 emissions 70 Emissions 70 emmissions 69 Co2 emissions 69 greenhouses gases 69 mercury emissions 68 Carbon dioxide emissions 68 greenhouse emission 67 global warming gases 67 emission reduction 67 heat trapping gases 67 nitrogen oxide emissions 66 smog forming pollutants 66 GHG 66 carbon 66 particulate emissions 66 pollutant emissions 65 sulfur dioxide emissions 65 reducing CO2 emissions 65 CO ² 65 heat trapping carbon dioxide 65 nitrogen oxide NOx emissions 65 tailpipe emissions 65 NOx emissions 65 carbon footprint 65 carbon emission reductions 64 smog forming emissions 64 carbon dioxide CO2 emission 64 greenhouse gases GHG 64 SO2 emissions 63 pollution 63 NOX emissions 63 nitrous oxide emissions 63 greenhouse gas emission reductions 63 heat trapping emissions 63 pollutants emitted 63 carbon emmissions 63 emissons 62 ghg emissions 62 nitrogen oxide 62 nitrogen oxides 62 CO2 emmissions 62 CO -2 62 greenhouse gas GHG emission 62 GHG reduction 62 air pollution 61 co2 emissions 61 smog forming pollution 61 mercury emitted 61 emmission 61 greenhouse gas GHG 60 global warming 60 carbon emitting 60 particulate matter emissions 60 warming gases 60 mercury pollution 60 greenhouse gases GHGs 60 heat trapping gases emitted 60 CO2 emission reduction 59 emmisions 59 carbondioxide emissions 59 CO2e emissions 59 greenhouse gasses emitted 59 Co2 59 carbon footprints 59 CO2 Emissions 59 pollutants 59 NOx 59 fossil fuels 58 emitting greenhouse gases 58 carbon dioxide CO2 emitted 58 CO2e 58 nitrogen oxides emitted 58 CO ₂ 58 fossil fuel 58 emit CO2 58 CO2 emission reductions 58 exhaust emissions 57 tailpipe CO2 emissions 57 Carbon Dioxide 57 #g CO2/km [001] 57 Greenhouse Gas GHG emissions 57 nitrogen oxides NOx emissions 57 heat trapping gasses 57 sulfur dioxide SO2 57 Carbon dioxide emission 57 GHG reductions 57 CO2emissions 57 emit greenhouse gases 57 climate change 57 CO2 equivalents 56 CO ₂ emissions 56 burning fossil fuels 56 heat trapping greenhouse gases 56 tailpipe pollutants 56 Greenhouse gasses 56 carbon emitters 56 Greenhouse gases 56 emit carbon dioxide 56 GHG emission reduction 56 Nitrogen oxide emissions 56 greenhouse gas emitting 56 heat trapping carbon emissions 56 greenhouse gas emitters 55 soot pollution 55 SOx emissions 55 harmful tailpipe emissions 55 sulfur dioxide 55 Carbon dioxide CO2 emissions 55 smog forming nitrogen oxides 55 greenhouse gas emmissions 55 nitrous oxides 55 carbon neutral 54 tropical deforestation 54 Tailpipe emissions 54 GHG emitters 54 nitrous oxide emission 54 tailpipe emission 54 atmospheric carbon dioxide 54 nitrous oxide NOx emissions 54 GHG emission reductions 54 smokestack emissions 54 Carbon Emissions 54 heat trapping pollutants 54 renewable energy 54 global warming gases emitted 54 stringent emission 54 ozone depleting gases 54 renewables 54 sulfur dioxide pollution 53 Greenhouse Gas 53 gases emitted 53 polluting gases 53 nitrous oxide NOx 53 curbing carbon emissions 53 Carbon dioxide CO2 53 nitrogen oxides NOx 53 particulate pollution 53 reduce greenhouse gas 53 GHG greenhouse gas 53 reduce greenhouse gasses 53 emission offsets 53 co2 53 heat trapping greenhouse 53 greenhouse gas emitter 53 diesel particulate emissions 53 CO2 emitting 53 carbon dioxide emission reductions 53 manmade CO2 emissions 52 carbon dioxide emitter 52 fluorinated gases 52 #g/km CO2 [002] 52 atmospheric CO2 52 particulate matter emitted 52 polluter 52 biomass combustion 52 particulate matter 52 Emission 52 nitrous oxide N2O 52 reduce NOx emissions 52 harmful gases 52 harmful pollutants 52 CO2 eq 52 emitting carbon dioxide 52 curbing greenhouse gases 52 nitrogen oxide emission 52 CO2 emitters 52 dioxide emissions 52 biofuels 52 sulfur dioxide SO2 emissions 52 anthropogenic greenhouse gases 52 potent greenhouse gas 52 Greenhouse Gas Emissions 52 tonnes CO2e 52 tailpipe gases 52 GHG abatement 52 GHG pollution 52 methane emitted 52 smog forming 52 pollutant 52 fine particle pollution 51 gaseous emissions 51 anthropogenic emissions 51 #g CO2/km [002] 51 megatonnes 51 emitting CO2 51 carbon polluter 51 sequester carbon emissions 51 nitrogen oxide pollution 51 pollutant emission 51 harmful gasses 51 nitrogen oxide NOX 51 carbon offsets 51 particulate matter PM 51 diesel particulates 51 carbon dioxide concentrations 51 diesel particulate matter 51 feebates 51 Gas Emissions 51 carbon dioxide equivalent CO2e 51 decarbonisation 51 anthropogenic CO2 51 coal fired 50 ecological footprint 50 legally binding emission 50 hoofed critters 50 CHAIRMAN CONNAUGHTON Well 50 carbondioxide 50 VOC emissions 50 carbon emitter 50 greenhouse gas concentrations 50 decarbonizing 50 methane 50 polluters 50 greehouse gas 50 decarbonise 50 carbon capture 50 greenhouse emitters 50 gaseous pollutants 50 biofuel 50 nitrogen oxide NOx 50 CO2/km 50 megatonne reduction 50 zero emission 50 GhG 50 CO2 concentrations 50 megatonne 50 trillion BTUs 50 Particulate emissions 50 GHG concentrations 50 carbon credits 50 airborne pollutants 50 smokestack pollutants 50 GHG emitted 50 decarbonize 50 sequestering carbon dioxide 50 CAFE standards 49 carbon offsetting 49 #.#g/km 49 SO2 emission 49 sequester CO2 49 sulfur dioxide emission 49 nitrogen dioxide emissions 49 combating global warming 49 global warming gasses 49 carbon dioxide emitters 49 emitters 49 SO2 49 Carbon Dioxide CO2 emissions 49 N2O emissions 49 polluting 49 harmful gases emitted 49 polution 49 Gigatonnes 49 Emissions Reduction 49 renewable 49 sulfur dioxide SO2 nitrogen 49 sulphate aerosols 49 smog soot 49 cleaner fuels 49 heat trapping pollution 49 atmospheric CO2 levels 49 biosequestration 49 Carbon Offset 49 smokestack scrubbers 49 Co2 emission 49 emit sulfur dioxide 49 emitting fossil fuels 49 mercury sulfur dioxide 49 gases 49 Mtoe 49 gigatonnes 49 emis sions 49 renewably 48 CO2 emitter 48 sulfur dioxide pollutant 48 Emilie Moorhouse 48 nitrogen oxides carbon monoxide 48 HFC refrigerants 48 heat trapping greenhouse gas 48 nonrenewable fuels 48 sulfur dioxides 48 tailpipe pollution 48 decarbonising 48 carbon dioxide CO ² 48 carbon dioxides 48 sulfur oxide 48 Low Carbon 48 HCFC 48 reducing greenhouse gas 48 emit GHGs 48 hydrocarbons carbon monoxide 48 quadrillion BTUs 48 carbon dioxide nitrous oxide 48 Nitrogen oxides 48 particulate soot 48 carbon dioxide emmissions 48 fine particulate pollution 48 smog forming gases 48 Sulfur dioxide emissions 48 carbon sequestration 48 particulate emission 48 sequester carbon dioxide 48 gigatons 48 usual BAU 48 NOx emission 48 smog forming chemicals 48 carbon neutrality 48 alternative fuels 48 manmade greenhouse gas 47 Verified Emission Reductions 47 carbon emission allowances 47 Climate Change 47 emit #g/km 47 trillion Btu 47 Terrapass 47 GHG emitter 47 tailpipe exhaust 47 Global Warming Potential GWP 47 Tropical deforestation 47 Particulate Matter PM 47 renewable fuels 47 House Gases GHGs 47 fine particulates 47 ozone pollution 47 Carbon Reduction Commitment CRC 47 gigatonne 47 ecological footprints 47 GHGs emitted 47 decarbonised 47 heat trapping 47 sequester greenhouse gases 47 sulphate particles 47 sequestering CO2 47 carbon monoxide particulate matter 47 GHG emitting 47 exhaust emission 47 stricter emission 47 gases blamed 47 IGCC plants 47 biomass 47 NOx nitrogen oxide 47 nitrogen discharges 47 MACT standards 47 N2O 47 emit pollutants 47 Carbon Dioxide CO2 47 ozone depleting chemicals 47 Carbon dioxide 47 air toxics 47 bovine flatulence 47 tropospheric ozone 47 carbon dioxide methane 47 anthropogenic greenhouse gas 47 Amazon deforestation 47 fuel efficent 47 HFC# 47 environmentally friendly 47 toxic pollutants 47 GHG Protocol 47 smokestack pollution 46 Sulfur dioxide pollution 46 ozone depleting compounds 46 Clean Air 46 Climate Action 46 cap andtrade 46 GHG footprint 46 regulating GHGs 46 environmental impacts 46 refrigerant leakage 46 tpy CO2e 46 carbon sinks 46 Kyoto Protocols 46 smog forming compounds 46 economywide cap 46 Meri Pori 46 emits greenhouse gases 46 emit greenhouse gasses 46 CO2 SO2 46 regulate greenhouse gases 46 particulate matter soot 46 absorbs carbon dioxide 46 CAFÉ standards 46 acid rain 46 NOx nitrogen oxides 46 EU ETS 46 Carbon dioxide emitted 46 biofuel blends 46 sequester carbon 46 Industrialized nations 46 ozone 46 Emission Reduction Units 46 ozone depleting refrigerant 46 sulfur dioxide SOx 46 de carbonizing 46 Nitrogen Oxide NOx 46 particulate pollutants 46 nitrogen trifluoride 46 NF3 46 Transport Fuels Obligation 46 cow burps 46 atmospheric CO 46 produced Friedlingstein 46 Kyoto Protocol 46 Carbon Offsets 46 ozone depleting substances 46 Emission Trading Scheme 46 emission allowances 46 Joint Implementation JI 46 hydrofluorocarbon 46 sulfur oxides 45 Sulfur Dioxide 45 gigatonnes Gt 45 carbon sequestered 45 gigawatts 45 Kyoto accord 45 Carbon Capture 45 hydrofluorocarbons HFCs 45 verified emission reductions 45 largest emitter 45 quantified emission 45 absorb carbon dioxide 45 HFO #yf 45 greenhouse polluter 45 harmful particulates 45 deforestation 45 baseload renewable 45 Refrigerants Naturally 45 smog forming nitrogen oxide 45 kilowatt hours 45 Landfill Directive targets 45 stabilizing atmospheric concentrations 45 Greenhouse Gas Inventory 45 Kyoto Protocol obliges 45 heaviest polluters 45 allowances EUAs 45 cleaner greener 45 greenhouse gas polluter 45 ozone layer depletion 45 Emission Reduction 45 renewable energies 45 dirtiest fossil 45 Greenhouse Gases 45 sulfate aerosols 45 manmade greenhouse gases 45 Emissions Trading Scheme ETS 45 decarbonization 45 sectoral crediting 45 oxidized mercury 45 atmospheric pollutants 45 GHG permitting 45 anthropogenic CO 45 hydrofluorocarbon HFC 45 CO2 emission allowances 45 2C #.#F 45 anthropogenic carbon dioxide 45 soot 45 Carbon Dioxide Emissions 45 #GW [002] 45 consultancy Ecofys 45 gasses 45 reducing greenhouse gasses 45 fossile fuels 44 VOCs 44 GHG Emissions 44 shredder residue 44 carbon dioxide methane nitrous 44 hydrochlorofluorocarbons 44 Acid Rain Program 44 sulfur diesel fuel 44 bio fuels 44 Greenhouse Gas Reduction 44 regulate GHGs 44 Siddharth Pathak 44 hydrogen 44 smog 44 SOx 44 nitrogen dioxides 44 Fossil fuels 44 preindustrial levels 44 Cow burps 44 energy 44 #TWh [001] 44 Mt CO2e 44 Nitrogen Oxide 44 cleaner burning 44 sulfur oxides SOx 44 ppmv 44 sulfur dioxide nitrogen oxide 44 renewably generated 44 Zero Carbon 44 Greenhouse Gas GHG 44 Carbon offsets 44 bioethanol 44 ozone depleting substance 44 hydrofluorocarbons HFCs perfluorocarbons PFCs 44 regulating tailpipe 44 CFCs chlorofluorocarbons 44 reduce SO2 emissions 44 refrigerant gases 44 Nitrogen oxide 44 biggest polluter 44 de carbonization 44 Climate 44 Carbon Emission 44 particulates 44 bluefin tuna quota 44 ozone depleting refrigerants 44 atmospheric CO2 concentration 44 nutrient runoff 44 stockpiled warheads 44 Renewable energy 44 gigawatt hours 44 radiative forcing 44 Ecological Plastic 44 gigaton 44 exajoules 44 cow farts 44 air pollutants emitted 44 Kyoto signatories 44 Reference Scenario 44 pollutants sulfur dioxide 44 Kharecha 44 diesel particulate 44 carbons 44 soot particulates 44 legally binding pact obligating 44 Association IETA 44 House Gases GHG 44 Atmosfair 44 emit 44 noncarbon 44 carbon footprint calculator 44 gypsum byproduct 44 Particulate pollution 44 nutrient discharges 43 nitrogen oxides NOX 43 negawatts 43 nitrogen NOx 43 sulfur fuels 43 Burning fossil fuels 43 Waxman Markey bill 43 CarbonNeutral Company 43 #.#TWh [002] 43 sooty particles 43 Kyoto Protocal 43 Climate Change UNFCC 43 Carbonfund 43 coal 43 degrees above preindustrial 43 curbing heat trapping 43 Propane autogas 43 PHEVs 43 hydrogen fuel 43 de carbonisation 43 Renewable Portfolio Standards 43 coalfired power 43 emitted 43 smoggiest regions 43 Carbon Neutral 43 conventional combustion engines 43 purchasing carbon offsets 43 endorses halving 43 oVOCs 43 Alex Wissner Gross 43 gasified coal 43 modal shift 43 Ecofys 43 sequester carbon dioxide emissions 43 greener 43 Ford Fiesta ECOnetic 43 polluting industries 43 Kyoto 43 Reducing carbon emissions 43 nitrogen dioxide 43 nitrogen oxide sulfur dioxide 43 terawatts 43 Sauven 43 AB# mandates 43 #.#GW [003] 43 pollutant discharge 43 Le Quere 43 #g/km CO2 [001] 43 atmospheric CO2 concentrations 43 EmPOWER Maryland 43 methane CH4 43 particulate filters 43 Franziska Achterberg 43 Ecological Footprint 43 excise duty VED 43 Carbon Footprint 43 #,# butadiene 43 pollutions 43 Kyoto pact 43 Kyoto Protocol expires 43 ZEVs 43 unburned hydrocarbons 43 mercury 43 #W light bulb 43 nitrogen oxides sulfur oxides 43 evaporative emissions 43 Renewables Directive 43 soot particles 43 Sugarcane ethanol 43 dangerous anthropogenic interference 42 harmful byproducts 42 Toxic Release Inventory 42 disposable plastic bags 42 oxide sulfur hexafluoride 42 Fuel Efficiency 42 mercury polluter 42 Fuel Obligation 42 Tang wah 42 tailpipes smokestacks 42 Certified Emission Reduction CER 42 perfluorocarbons 42 Geologic Storage 42 regulating tailpipe emissions 42 anthropogenic CO2 emissions 42 chlorofluorocarbons 42 Energy Efficiency 42 sequesters carbon dioxide 42 Industrialised countries 42 Renewable Energy Directive 42 efficient lightbulbs 42 NAPCC 42 Volatile Organic Compounds VOC 42 cow enteric 42 #ppm CO2 42 LCOE 42 trillion Btus 42 Climate Impact 42 gigawatts GW 42 springtime ozone 42 inefficient lightbulbs 42 CarbonSMART ™ enterprise 42 HFC #a 42 coarse particulates 42 HFCs 42 regulating greenhouse gases 42 gigajoules 42 biodiesel 42 greenest 42 economically ruinous 42 Jim Footner 42 ocean acidity 42 oxide hydrofluorocarbons perfluorocarbons 42 HCFCs 42 ozone pollutant 42 tCO2e 42 Dr Raupach 42 Gregg Marland 42 tailpipe emission standards 42 carbon monoxide hydrocarbons 42 BONN Germany Reuters 42 heat trapping gasses emitted 42 Nitrogen Oxides 42 DBCCA 42 nWNAB# 42 nonroad diesel 42 g CO2/km 42 Carbon Monoxide CO 42 technologically feasible 42 respirable suspended particulates 42 nitrogen oxide burners 42 ratifying Kyoto 42 particle filters 42 coalfired 42 RTFO 42 sulfur oxide SOx 42 phosphorus runoff 42 phosphorus pollution 42 sub-#g/km CO2 42 microscopic soot 42 terrestrial biosphere 42 UNFCC 42 desalinating water 42 noxious pollutants 42 dirtier fuels 42 diesel exhaust 42 lorry journeys 42 oil equivalent Mtoe 42 quadrillion Btu 42 greenhouse gas nitrous oxide 42 Bill Magavern lobbyist 42 windpower 42 carbon dioxide emission allowances 42 Offsetters 42 Zero Emission Vehicle ZEV 42 PowerHaul locomotive 42 hydrogen powered 42 turtle bycatch 42 emits #g 42 GSHP systems 42 EU Emissions Trading 42 fluorinated greenhouse gases 42 Emissions Trading System 42 environmentally damaging 42 Hydrofluorocarbons 42 HyProStar 42 noxious gasses 42 alternatively fueled 42 Carbon offsetting 42 soil carbon sequestration 42 Bio SNG 42 nonpolluting 42 greenhouse gas emission allowances 41 ratified Kyoto 41 conventional internal combustion 41 BAU scenario 41 greenhouse gasses mirrors 41 carbon sequestering 41 fleetwide average 41 Maximum Achievable Control 41 Bluenext 41 New Johnsonville Tenn. 41 Certified Emission Reductions CERs 41 volatile organic compounds 41 Volatile Organic Compounds 41 Certified Emission Reductions 41 ozone depleting 41 NO2 41 Ailun Yang 41 ILUC 41 particulate matter nitrogen oxides 41 ozone depletion 41 carbon polluters 41 nonhazardous waste 41 de carbonise 41 carcinogens benzene 41 heatwaves droughts 41 fine particulate matter 41 environmental 41 tailpipe standards 41 ethanol 41 HCFC #b 41 deplete ozone 41 nonfossil fuel 41 RGGI allowances 41 EITE industries 41 LCFS 41 ratify Kyoto 41 offshore windpower 41 trillionth tonne 41 carbon bootprint 41 Peter Frumhoff 41 carbon monoxide nitrogen oxide 41 Coequyt 41 guzzling appliances 41 Kevin Knobloch 41 gigawatt GW 41 Stephan Singer 41 RenDiesel fuel 41 absorbing carbon dioxide 41 Emission Trading Scheme ETS 41 degrees Celsius #.#F [001] 41 EPA 41 diesel 41 EU Emission Trading 41 regulate carbon dioxide 41 nonpolluting renewable 41 Roland Holst 41 Beyond Zero Emissions 41 nitrous oxides NOx 41 Yacht Carbon Offset 41 Carbon 41 Carbon Reduction Label 41 Natsource Asset Management 41 Wiedinmyer 41 TerraPass 41 Aker Clean 41 nutrient pollution 41 nitrogen 41 Kyoto protocol 41 biofueled 41 EVs 41 cow flatulence 41 Golf Bluemotion 41 geo sequestration 41 hydrofluorocarbons 41 nonrenewable sources 41 offshore wind 41 ppbv 41 Methane CH4 41 thirstiest consumer 41 OWBs 41 RGGI 41 EGR engines 41 liquefied coal 41 spew pollutants 41 climate forcings 41 Diesel exhaust 41 unburned hydrocarbons carbon monoxide 41 flue gases 41 Ford Focus ECOnetic 41 Environmental Protection Agency 41 environmentally sound 41 Legally binding 41 emits #g/km [001] 41 pollutant discharges 41 Noah Horowitz 41 Christopher Flavin 41 EU6 41 Nitrogen dioxide 41 Renewable Energy Certificates RECs 41 Carbon sequestration 41 landfilled 41 Particulate matter 41 CRed 41 FFVs 41 Regional Greenhouse Gas 41 #GW [001] 41 diesel powered 41 cow belches 41 Emissions Trading Scheme 41 EfW 41 fine particulate 41 halting deforestation 41 terrawatt hours 41 sulfur dioxide emitted 41 Climate Change IPCC 41 nonrenewable resources 41 Phyllis Cuttino director 41 greenhouse warming 41 Worldwatch 41 average megawatts aMW 41 greenpower 41 hazardous wastes 41 Powernext Carbon 41 Eurovignette 41 Kyoto Treaty 41 waste arisings 41 efficiency condensing boiler 41 congestion 41 toxics 41 electrics hybrids 41 fluorocarbons 41 giga watts 41 Corinne Le Quere 40 #.#C #.#C 40 sulfur dioxide nitrogen oxides 40 EU Landfill Directive 40 Low Carbon Fuel 40 sulfur dioxide particulate matter 40 gasifying coal 40 internal combustion engine 40 miles traveled VMT 40 Kaisa Kosonen 40 SCR selective catalytic 40 harnessing tidal 40 nitrogen fertilizers 40 kWh 40 cod quota 40 CRC Energy Efficiency 40 globalwarming 40 planetary warming 40 DRIVe models 40 commissioner Stavros Dimas 40 warhead arsenals 40 carbon belching 40 chlorofluorocarbons CFCs 40 DPFs 40 CDP Supply Chain 40 emitting 40 nonroad 40 biomethane 40 toxic chemicals 40 Carbon Calculator 40 aerosol concentrations 40 GWe 40 sulfur hexafluoride 40 FROG Zero 40 forest thinnings 40 rapidly industrializing nations 40 pregnancies Mishell 40 depleting fossil 40 unladen weight 40 Ron Dembo 40 petrodiesel 40 water vapor 40 urea injection 40 above preindustrial levels 40 Anaerobic Digestion AD 40 Gigawatts GW 40 Financial Soultions 40 cleanest fossil 40 Fuel Obligation RTFO 40 renewables hydro 40 NOx SOx 40 biodiesel fuels 40 HFCs perfluorocarbons PFCs 40 CO 40 adipic acid 40 cleanest diesel 40 nonlabor costs 40 mandatory emission reductions 40 FoE 40 environmentally sustainable 40 Clean Energy 40 Montreal Protocol 40 Impact OnDemand 40 polluting fossil fuels 40 economywide 40 Global Warming Pollution 40 Emission Standards 40 ozone particulate matter 40 hydrochlorofluorocarbons HCFCs 40 Christoph Bals 40 sulfate particles 40 reactive nitrogen 40 Biofuel 40 Altaeros 40 efficiency 40 quadrillion BTU 40 nonfossil 40 Selective Catalytic Reduction SCR 40 Emission Trading 40 cement kilns 40 Scheme ETS 40 cleanest internal combustion 40 biogenic emissions 40 hydrocarbons HC 40 levelised cost 40 degrees Centigrade #.#F 40 sequester greenhouse gas 40 Kyoto Accords 40 biochar 40 particulate matter PM# 40 Climate Change IPPC 40 IGCC 40 Industrialised nations 40 gas guzzling 40 WBCSD 40 environmentally unfriendly 40 Greenhouse Gas Protocol 40 Sustainable Development WBCSD 40 regulate greenhouse gasses 40 automobile tailpipes 40 Waxman Markey 40 combustion engine 40 #g/km CO2 emissions 40 Tricorona 40 exhaust fumes 40 seabird bycatch 40 environmentally harmful 40 floods heatwaves droughts 40 GE #.#-# 40 rooftop solar panels 40 ozone concentrations 40 KWh 40 breathable dust 40 SCR catalytic converter 40 nonroad engines 40 Jan Kowalzig 40 PM# particles 40 sulfur hexafluoride SF6 40 Carbon Reduction Commitment 40 Zero Waste 40 Carbon Reduction 40 Coal gasification 40 Landfill Directive 40 phosphorous discharges 40 pulpwood harvest 40 Spencer Quong senior 40 anthropogenic 40 Reduce Emissions 40 Carbon Footprints 40 byproduct HFC