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oxides 54 carbon monoxide particulate matter 54 Greenhouse gases 54 nitrogen oxides sulfur oxides 54 sulfur dioxide particulate matter 54 greenhouse gases 53 pollutants sulfur dioxide 53 Greenhouse Gas Protocol 53 methane CH4 53 N2O hydrofluorocarbons HFCs perfluorocarbons 53 hydrocarbons HC 53 greenhouse gas GHG 53 Volatile organic compounds 53 Greenhouse Gases 53 Polycyclic aromatic hydrocarbons 53 halocarbons 53 airborne pollutant 53 nitrogen oxides particulate matter 52 perfluorocarbons PFCs 52 nitrogen NOx 52 sulfur dioxide carbon monoxide 52 nitrous oxide N2O hydrofluorocarbons 52 arsenic cadmium chromium 52 Kyoto binds 52 sulfur dioxide nitrogen 52 carbon monoxide hydrocarbons 52 biogenic emissions 52 sulfur dioxide nitrogen dioxide 52 greenhouse gases emitted 52 halons 52 tropospheric ozone 52 Methane CH4 52 particulate matter PM 52 GHG emissions 52 dioxins furans 51 Hydrofluorocarbons 51 CFCs chlorofluorocarbons 51 particulate matter nitrogen oxides 51 sulfur dioxides 51 New Johnsonville Tenn. 51 lanthanum cerium praseodymium neodymium 51 nitrogen dioxides 51 Global Warming Potential GWP 51 carbon dioxide sulfur dioxide 51 antimony arsenic 51 cadmium Cd 51 hydro fluorocarbons 51 polyaromatic hydrocarbons 51 Lanthanum La 51 heat trapping gases emitted 51 pact obligating 51 Nitrogen Oxides 51 curbing heat trapping 51 Sulfur Dioxide 51 unburned hydrocarbons carbon monoxide 51 Nitrogen Oxides NOx 51 sulfur dioxide pollutant 51 anthracene 51 neodymium Nd 51 Volatile Organic Compounds 51 Greenhouse gasses 50 NOxOUT CASCADE R 50 polycyclic aromatic hydrocarbons 50 Greenhouse Gas GHG 50 nitrous oxide N2O 50 particulate opacity mercury 50 cow enteric 50 cadmium selenium 50 sulfur dioxide SOx 50 Chlorofluorocarbons 50 Rare Earth Oxides 50 pollutants emitted 50 nitrogen NOx emissions 50 greenhouse gasses 50 heat trapping gases 50 nitrous oxide NOx 50 Acid Rain Program 50 spokeswoman Tisha Petteway 50 nitrogen dioxide sulfur dioxide 50 carboxylic acids 50 carbon monoxide nitrogen dioxide 50 ozone O3 50 nitrogen oxides NOx 50 ozone depleting compounds 50 benzene toluene 50 hydrochlorofluorocarbons HCFCs 50 greenhouse gas 50 Volatile Organic Compounds VOC 50 hexavalent chromium polybrominated biphenyls 50 GHG emitters 50 GHG 50 lanthanum neodymium 50 NOxOUT ® NOxOUT CASCADE 50 GHG emission 50 benzene ethylbenzene 50 lutetium plus yttrium 50 fluorocarbons 49 CFCs HCFCs 49 Burning fossil fuels 49 toxic pollutants 49 emit CO2 49 dysprosium terbium thulium lutetium 49 Cow burps 49 anthropogenic emissions 49 carbon monoxide sulfur dioxide 49 HFC refrigerants 49 Oxides 49 Nitrogen trifluoride 49 Kyoto Protocol obliges 49 inorganic salts 49 chlorinated compounds 49 warming gases 49 stratospheric ozone depletion 49 selenium tellurium 49 formaldehyde benzene 49 particulate matter soot 49 Chlorofluorocarbons CFCs 49 cerium Ce 49 nitrogen oxide NOX 49 PFCAs 49 gallium indium 49 Volatile Organic Compounds VOCs 49 PARTIES TO THE 49 chromium nickel 49 particulate pollutants 49 chlorine fluorine 49 cadmium sulphide 49 Fluorinated 49 nonattainment areas 49 biomass combustion 49 cadmium chromium 49 palladium rhodium 49 harmful gasses 49 emitters 49 ozone particulates 49 Particulates 49 GHG Tailoring Rule 49 scandium yttrium 49 zinc selenide 49 greenhouse gas emission 49 soot smog 49 nitrous oxides 49 smog forming 49 hydrofluorocarbons HFCs 49 Sulphur Dioxide 49 gaseous pollutants 49 atmospheric pollutants 49 smog forming nitrogen oxides 49 cadmium mercury hexavalent 49 barium cadmium 49 EPA Toxics Release 49 chromium cadmium 48 Dysprosium Dy 48 nitrides 48 GHG emission reductions 48 endorses halving 48 greenhouse gas GHG emission 48 Sulfur dioxide 48 particulate soot 48 nitrogenous compounds 48 Volatile Organic Compound VOC 48 ethoxylates 48 Ozone Depleting 48 terrestrial biosphere 48 alloying elements 48 polycyclic aromatic hydrocarbons PAHs 48 fluorinated greenhouse gases 48 Methylene Chloride 48 Fine particulates 48 zirconium Zr 48 arsenic benzene 48 trichloroethane 48 rhodium Rh 48 benzene arsenic 48 osmium 48 hoofed critters 48 sequestering CO2 48 deca BDEs 48 mercury sulfur dioxide 48 global warming gases emitted 48 Particulate emissions 48 arsenic cadmium mercury 48 inorganic compounds 48 uranium thorium 48 fuel cells SOFCs 48 cited krypton strontium 48 smog soot 48 heat trapping pollutants 48 stabilizing atmospheric concentrations 48 hydrochloric acid HCl 48 particulate matter sulfur dioxide 48 Nitrogen dioxide 48 Nickel Cadmium 48 nitric oxides 48 greenhouse gas emission reductions 48 allotrope 48 sulfur oxides SOx 48 gallium arsenide gallium nitride 48 pyroxene 47 hydrofluorocarbons 47 emissions 47 pentoxide 47 SOx emissions 47 elements HREE 47 xylenes 47 biogases 47 praseodymium 47 inkjet colorants capacitor 47 Cut Greenhouse Gas 47 hydrogen chloride HCl 47 CarbonSMART ™ enterprise 47 Nitrogen Dioxide 47 dioxide 47 Nitrogen Oxide NOx 47 tellurium selenium iridium 47 GHGs emitted 47 National Pollutant Release 47 heat trapping gasses emitted 47 Persistent Organic Pollutants POPs 47 aerosol propellants 47 Quality Standards NAAQS 47 beryllium cadmium 47 halides 47 Hydrogen Sulfide H2S 47 unburned hydrocarbons 47 manganese oxides 47 silicate minerals 47 Gigatonnes 47 tailpipe pollutants 47 CdSe 47 chromium polybrominated biphenyl PBB 47 ozone nitrogen oxides 47 CO2 SO2 47 dung charcoal 47 Lengai 47 pollutants 47 Greenhouse Gas GHG emissions 47 particulate emission 47 sulfur oxide SOx 47 Maximum Achievable Control 47 carbon monoxide nitrogen oxide 47 sulfur dioxide nitrogen oxides 47 arsenic chromium 47 polycyclic aromatic hydrocarbons PAH 47 yttrium Y 47 aromatic amines 47 Technology MACT 47 NOX emissions 47 copper indium 47 #g CO2/km [001] 47 anthropogenic greenhouse gas 47 emit sulfur dioxide 47 dichloroethene 47 particulate matter emitted 47 hydrochlorofluorocarbon 47 NANX www.nanophase.com 47 persistent bioaccumulative 47 magnesium silicate 47 arsenide 47 heat trapping gasses 47 cordierite 47 manganese zinc 47 cadmium mercury 47 Carbon dioxide emission 47 Gas Emissions 47 superalloys coating materials 47 anthropogenic greenhouse gases 47 oxides 47 carcinogenic byproducts 47 nitrogen oxide NOx 47 CO -2 emissions 47 SO2 NOx 47 carbon dioxide equivalent CO2e 47 yttrium oxide 47 unmineable coal seams 46 dichloroethene DCE 46 gaseous fuels 46 Niobium 46 zinc oxide ZnO 46 sulfate aerosol 46 Particulate Matter PM 46 Sulfur Dioxide SO2 46 terbium 46 nitrogen trifluoride 46 carbon dioxide nitrogen oxide 46 NOx nitrogen oxide 46 carbon dioxide CO2 emitted 46 Ammonia NH3 46 ozone depleting substance 46 Corexit #A 46 polybrominated diphenyl ethers PBDEs 46 redox reactions 46 bioaccumulative 46 polyester resins alkyd resins 46 europium 46 Tropical deforestation 46 By DARREN SAMUELSOHN 46 Emission Reductions 46 EMISSIONS 46 ozone depleting substances 46 olivines 46 lanthanum La 46 emmissions 46 Europium 46 lanthanide 46 nitrous oxides NOx 46 particulates sulfur dioxide 46 nitrogen oxides emitted 46 SO2 emission 46 aluminum gallium indium 46 sulfur dioxide particulates 46 chlorofluorocarbons CFC 46 selenide 46 SO2 emissions 46 Terbium 46 CO2 CH4 46 Rhenium 46 HFC# 46 Air Pollutants 46 greenhouse gas GHG emissions 46 hydroxyl radical 46 carbondioxide 46 Particulate Matter 46 Atmospheric CO2 46 chloromethane 46 emit #g/km 46 epoxides 46 CO2 eq 46 AB# mandates 46 NOx nitrogen oxides 46 dysprosium terbium 46 ozone depleting chlorofluorocarbons 46 Dysprosium 46 SECAs 46 metals alloys 46 lanthanides 46 indium gallium 46 DDT PCBs 46 photochemical reactions 46 Ozone depleting 46 GHG Emissions 46 smog forming pollutants 46 ozone precursor 46 samarium 46 gases 46 eclogitic garnets 46 Carbon Monoxide CO 46 persistent bio accumulative 46 ZrO2 46 potent greenhouse gas 46 chromium VI 46 hydrofluorocarbon 46 naturally occurring nanotubes 46 MICHAEL REYNOLDS 46 HFO #yf 46 excrete methane 46 pyrite arsenopyrite 46 #,# DCB 46 trichloroethene TCE 46 geologic sequestration 46 Joint Implementation JI 46 bornite chalcopyrite 46 biogenic 46 Monazite 46 chlorofluorocarbons CFCs 46 ozone depleting chemicals 46 perfluorinated compounds 46 chromium manganese 46 Motor Vehicle Emission 46 soot particulates 46 RoHS directives 46 zinc indium 46 nitrogen oxide emission 46 cobalt rhodium silver 46 carcinogens benzene 46 particulate matter PM# 46 greenhouse gas emissions 46 particulate matter emissions 46 pollutant 46 volcanic aerosols 46 carbon dioxide 45 allowances EUAs 45 STEPHEN MORRISON 45 GhG emissions 45 Geologic Storage 45 tiny airborne particles 45 AWG KP 45 activated carbons 45 electrons protons 45 nitrogen oxide NOx emissions 45 toxic pollutant 45 aluminosilicate clay 45 dysprosium oxide 45 Kyoto strictures 45 ozone depleting gases 45 plutonium americium 45 biphenyls 45 -Expandable Memory 45 HCFC 45 MIKE NELSON 45 biogeochemical cycle 45 copper Cu 45 air toxics 45 CO2 Emissions 45 La#O# 45 gaseous emissions 45 Heavy Rare Earth 45 gallium germanium 45 toxaphene 45 particulate matter carbon monoxide 45 HCFC #b 45 polynuclear aromatic hydrocarbons 45 DDT dieldrin 45 diisocyanate 45 smog forming compounds 45 nitrogen oxides NO 45 Carbon Dioxide CO2 45 emission 45 CO ₂ 45 Au Eq 45 platinum Pt 45 carbon dioxide CO2 45 CO2 emission reduction 45 tributyl tin 45 ammonia hydrogen sulfide 45 Greenhouse Gas Emissions 45 Ozone depleting substances 45 smog forming nitrogen oxide 45 WEEE RoHS 45 mercury emitted 45 metals tin tantalum 45 tailpipe gases 45 MWNTs 45 carbon dioxide CO2 emission 45 sulfur dioxide SO2 emissions 45 aromatic hydrocarbons 45 pyrite marcasite 45 elemen 45 HOW YOUNG 45 sulfuric acid mist 45 oxidation catalysts 45 geological sequestration 45 mesoporous 45 mercury cadmium 45 lutetium 45 emit GHGs 45 Tellurium 45 leucoxene 45 greenhouse gas emitting 45 Italy Novamont SPA 45 Certified Emission Reductions 45 Platinum Pt 45 Lanthanum 45 pentaBDE 45 Nanofiber 45 GHG emitted 45 combustion byproducts 45 Perchloroethylene 45 GHG Protocol 45 radiative forcing 45 DARREN SAMUELSOHN 45 Y#O# 45 lead cadmium arsenic 45 palladium Pd 45 niobium oxides vanadium 45 decomposing manure 45 deplete ozone 45 carbonyl sulfide 45 thermochemical processes 45 liquids solids 45 GHG concentrations 45 CFC refrigerants 45 silicon dioxide SiO2 45 copper cobalt platinum 45 sulfur oxides 45 Nitrogen Oxide 45 elements lanthanum 45 LIMITED CHINA 45 Toxics Release Inventory TRI 45 Cerium Ce 45 cellulose hemicellulose 45 Tonnes Category 45 location AVL mapping 45 transparent conductive oxides 45 galaxies quasars 45 germanium antimony 45 mercury arsenic 45 Biogenic 45 benzene formaldehyde 45 transboundary movements 45 syngas mixture 45 Ozone Depletion 45 greenhouse emissions 45 carbon dioxide emission reductions 45 nanoclusters 45 Greenhouse Gas Tailoring Rule 44 bastnasite 44 Titanium dioxide 44 hydrofluorocarbon HFC 44 carbon dioxides 44 Fluorine 44 carbon dioxide emissions 44 ozone nitrogen dioxide 44 PAHs polycyclic aromatic hydrocarbons 44 VOC volatile 44 barium chromium 44 magnesium calcium 44 isotopic compositions 44 Rare Earth Oxides TREO 44 Persistent Organic Pollutants 44 black fumed silica 44 regulating GHGs 44 sooty particles 44 carcinogens mutagens 44 nitrogen oxide sulfur dioxide 44 halogenated 44 anthropogenic carbon dioxide 44 Acrylic acid 44 mercury dioxins 44 biocapacity 44 plastics polymers 44 Low Emissions Vehicle 44 dioxide emissions 44 vinyl acetate monomer 44 CO2 equivalents 44 emis sions 44 Organic Compounds 44 Dy#O# 44 global warming gases 44 co2 emissions 44 CO2/km 44 nanopowders 44 di oxide 44 carbon emission reductions 44 hydro chlorofluorocarbons 44 Terbium Tb 44 ozone pollutant 44 nitrogen oxide pollution 44 absorbs carbon dioxide 44 Mandatory Greenhouse Gas 44 aquatic toxicity 44 volatile organic compounds 44 platinum palladium rhodium 44 carbon disulfide 44 sequestering carbon dioxide 44 CARBON DIOXIDE 44 glycol ethers 44 carbene 44 antireflective coatings 44 barium sulphate 44 ethene 44 lanthanum oxide 44 niobium tantalum 44 boilers furnaces 44 neodymium praseodymium 44 aftertreatment systems 44 #yf 44 arsenic bismuth 44 climate forcings 44 tetrachloroethene 44 molten salts 44 respiratory irritant 44 ozone depleting CFCs 44 benzene carcinogen 44 CO2 emission 44 mg/Nm3 44 adipic acid 44 finely disseminated pyrite 44 ODSs 44 ozone precursors 44 Ni Zn 44 Polycrystalline 44 forest thinnings 44 dyes insecticides 44 GHG reductions 44 SOx 44 Emissions 44 Fe#O# 44 diethyl 44 deep saline aquifers 44 tailpipes smokestacks 44 flame retardant additives 44 uranium ores 44 emmisions 44 quantified emission 44 blocks harmful ultraviolet 44 SOFCs 44 combustion modification 44 cesium formate drilling 44 molybdenum sulphide 44 Smog Standards 44 smog acid 44 VOCs Volatile Organic Compounds 44 precursor nitrogen oxides 44 aldehydes 44 Carbon dioxide byproduct 44 super alloys 44 furans 44 Toxic Release 44 Emissions Vehicle SULEV 44 boron trifluoride 44 iron sulphides 44 Halons 44 automobile tailpipes 44 silicate rocks 44 cyanide arsenic 44 Tier 4i 44 diesel particulates 44 sulfur dioxide pollution 44 Polychlorinated biphenyls PCBs 44 anthropogenic aerosols 44 PCBs dioxins 44 Biomass gasification 44 graphitic carbon 44 stringent emission 44 GHG emission reduction 44 fluorotelomers 44 Pollutant 44 heat trapping carbon dioxide 44 catalytic convertors 44 carbons 44 Palladium Pd 44 halogenated compounds 44 NOx SOx 44 ICE ECX 44 HFC #a 44 emission reductions 44 partially oxidized 44 environmentally hazardous substances 44 arsenic selenium 44 californium 44 alkanes 44 TCE PCE 44 CO ² emissions 44 tetroxide 44 magmatic massive sulphides 44 ozone layer depletion 44 isoprene 43 emission reduction 43 Carbon dioxide emissions 43 Mtoe 43 emitting #g/km 43 fine particulates 43 nickel zinc 43 SULEV 43 nuclides 43 hydrocarbons nitrogen oxides 43 UF4 43 Nanoporous 43 biomass biogas 43 Industrialised nations 43 greenhouses gases 43 tin tantalum 43 nanobelts 43 zinc manganese 43 aerosols 43 Nanofiltration 43 shredder residue 43 biphenyl 43 VOCs 43 lanthanum cerium 43 mercury chromium cadmium 43 Halogenated 43 C#H# 43 burning fossil fuels 43 carbon emission 43 PCBs polychlorinated biphenyls 43 Co2 emissions 43 Sugarcane ethanol 43 Phenols 43 desulfurization gypsum 43 organochlorines 43 aerosol particles 43 Diesel Particulate Filters 43 quartz plates 43 Toxic Release Inventory 43 colorless odorless poisonous 43 nitrous oxide emissions 43 Kyoto obliges 43 Nd#O# 43 emission offsets 43 sulfuric acid caustic soda 43 trivalent chromium 43 Polybrominated 43 coarse particulate 43 Nanorods 43 Certified Emissions Reductions 43 Carbon Emissions 43 CO2 43 GHG reduction 43 Ozone Depleting Substance 43 arsenic antimony mercury 43 PM# particles 43 Desulfurization 43 MACT standards 43 Elemental mercury 43 SO2 43 elements europium 43 inorganic acids 43 thermochemical processing 43 epidote 43 bioindustrial markets 43 hydroxyl radicals 43 ethanol methanol 43 Carbon Dioxide CO2 emissions 43 NESHAP 43 Aerosol particles 43 solids liquids 43 regulate GHGs 43 hafnium oxide 43 sugars starches 43 paints lacquers 43 refrigerant gases 43 actinides 43 chloroprene 43 MAZEN MAHDI 43 MREO 43 spokeswoman Cathy Milbourn 43 Gd#O# 43 Reactive oxygen species 43 lanthanum 43 photosynthetic organisms 43 acanthite 43 nitrogen dioxide carbon monoxide 43 cyanogen poisonous gas 43 Hazardous substances 43 Greenhouse Gas Inventory 43 pesticides aldrin 43 Mesoporous 43 nitrogen oxide 43 kilns mills 43 nitrogen oxide carbon monoxide 43 #,# butadiene 43 Particulate matter 43 ethylene propylene 43 photonic bandgap 43 SAICM 43 sulfur dioxide nitrous oxide 43 HAPs 43 Ionic liquids 43 Tailpipe emissions 43 yttrium 43 Endocrine disruptors 43 noble gases 43 sodium magnesium 43 lithium oxide 43 nonroad diesel 43 tin Sn 43 dimethyl sulphide 43 resorcinol 43 potash alumina 43 perfluorinated 43 Volatile Organic Compound 43 nitrogen atoms 43 hydroxyl ions 43 yttrium barium copper 43 #Mt grading [002] 43 Emissions Vehicle AT PZEV 43 Radon naturally occurring 43 Dear EarthTalk Are 43 Greenhouse Gasses 43 Acrolein 43 halogenated flame retardants 43 federally enforceable 43 iron calcium magnesium 43 praseodymium oxide 43 Hexavalent Chromium 43 condensable 43 nitrogen oxides 43 air pollutants emitted 43 soot particles 43 Degradation REDD 43 biomasses 43 emissons 43 beryllium oxide 43 sulphate aerosols 43 nickel matte electrolytic 43 tradable emission 43 Allowances EUAs 43 silica substrate 43 nonroad engines 43 produced Friedlingstein 43 GHG emitting 43 diphenyl ethers 43 Nanocatalysts 43 Hydrogen Cyanide 43 methylamines 43 manganese chromium 43 byproduct HFC 43 NO2 43 emitting fossil fuels 43 pollutant particles 43 markets Green DCV 43 awiggo 43 emits #g/km [001] 43 carbon tetrachloride 43 renewable feedstocks 43 quartz veins containing 43 Carbon Dioxide 43 Nitric acid 43 Deca BDE 43 respirable suspended particulates 43 Ethylene glycol 43 certified emission reductions 43 stockpile cluster munitions 43 prenatal exposures 43 smog forming pollution 43 PFOS 43 dioxides 43 chlorine atom 43 EPA Greenhouse Gas 43 geothermal hydroelectric 43 chrome diopside 43 EPER 43 chromium oxide 43 hydrochlorofluorocarbon HCFC 43 Inventory TRI 43 R#A refrigerant 43 polybrominated diphenyl ethers 43 lutetium plus 43 peridotitic 43 dysprosium 43 SF6 43 Multivitamins typically 43 uranophane 43 lithium vanadium 42 finely dispersed 42 Boron Nitride 42 sulfur dioxide nitrogen oxide 42 Emissions Trading System 42 tellurium cadmium 42 magnesium zinc 42 autotrophic 42 rigid polyurethane foams 42 reduce smog forming 42 arsenic mercury 42 depleting substances 42 poly aromatic hydrocarbons 42 Sulphur dioxide 42 actinide 42 rare earths yttrium 42 carbondioxide emissions 42 barium chloride 42 methyl chloride 42 Submissions flooded kidthing 42 nonroad diesel engines 42 manganese oxide 42 mandatory emission reductions 42 Inventory NPRI 42 trioxide 42 Imataca Forest Reserve 42 oxide 42 phlogopite 42 REACH Regulation 42 cadmium selenide 42 krypton 42 organotins 42 REE minerals 42 Gaseous 42 nitrogen N2 42 urea injection 42 nitrogen oxides sulfur dioxide 42 Carbon Dioxide Emissions 42 Reducing Greenhouse Gas 42 endocrine disrupting compounds 42 EPA Proposes 42 chlorobenzene 42 organic compounds 42 chrome diopsides 42 oxidized mercury 42 Tin Oxide 42 Ozone Depleting Substances 42 stratospheric ozone 42 Eu#O# 42 Ecological Plastic 42 Y Zr 42 cerium lanthanum 42 electron affinities 42 gasifying coal 42 iso octane 42 ozone depletion 42 Carbon Sequestration Leadership 42 Particle pollution 42 polychlorinated PCBs 42 sulphates 42 ruminant animals 42 borane 42 GHG permitting 42 batteries supercapacitors 42 indium gallium phosphide 42 leach CIL 42 gaseous methane 42 platinum rhodium 42 Ruthenium 42 mercury chromium 42 lithium carbonate lithium hydroxide 42 global warming gasses 42 Co2 emission 42 palladium nanoparticles 42 containing soot dioxins 42 plastics fibers 42 methane emitted 42 CO2 emissions 42 Georges Charpak France 42 pollutions 42 quinones 42 synthetic liquid hydrocarbons 42 tri acid digestion 42 Major Economies Forum MEF 42 greenhouse gas emitters 42 aerosol concentrations 42 Christoph Bals 42 copper indium gallium 42 cyclohexane 42 oxides TREO 42 iron arsenide 42 Alloying 42 preg robbing 42 tailpipe exhaust 42 Li ion Batteries 42 oxidation catalyst 42 deca BDE 42 Niobium Nb 42 chalcogenides 42 pyrope garnet 42 Mosecomonitoring watchdog agency 42 carbon dioxide emitted 42 Storing carbon dioxide 42 non dispersive infrared 42 emmission 42 IGCC plants 42 Particulate pollution 42 colorless odorless tasteless 42 VOC Volatile Organic Compounds 42 CO2e emissions 42 Brominated Flame Retardants 42 atmospheric CO2 levels 42 lithium tantalum 42 nanometal 42 ytterbium 42 heat trapping 42 legally binding instrument 42 BlueTec diesel 42 Reduced Emissions 42 N2O emissions 42 Carbon dioxide CO2 emissions 42 refrigerants 42 megatonnes 42 diesel oxidation catalyst 42 NF3 42 pathfinder elements 42 oxidised burned 42 bromine compounds 42 peatland destruction 42 SOx NOx 42 polymers plastics 42 AT PZEV 42 Methyl Tertiary Butyl Ether 42 carbon dioxide CO ² 42 niobium Nb 42 nitric acids 42 coal petroleum coke 42 Soumber 42 sequesters carbon dioxide 42 chloroflourocarbons 42 Silicon dioxide