Related by context. Frequent words. (Click for all words.) 57 emit CO2 54 Emissions Trading Scheme ETS 54 Emission Trading Scheme 53 greenhouse gases GHGs 52 Renewables Obligation 52 Emitters 51 Certified Emission Reductions CERs 49 emit carbon dioxide 49 certified emission reductions 49 Emissions Trading Scheme 48 Scheme ETS 48 emitting greenhouse gases 48 potent greenhouse gas 48 Tradable 48 Emissions Trading System 47 sulfur dioxide nitrogen oxide 47 Transferable Securities 47 carbon credits 47 Carbon sequestration 46 Carbon Reduction Commitment CRC 46 carbon dioxide emission 46 Certified Emissions Reductions 46 VEETC 46 distortionary 46 Reduced Emissions 46 absorbs carbon dioxide 46 CRC Energy Efficiency 46 greenhouse gases GHG 46 GHGs 46 legally binding commitments 46 emission allowances 46 CO -2 46 Carbon Pollution Reduction Scheme 46 EUAs 46 GHG emission reduction 46 emit greenhouse gases 45 heat trapping gases emitted 45 sulfur dioxide nitrogen oxides 45 carbon 45 biomass combustion 45 regulate heat trapping 45 greenhouse gas emission 45 Framework Directive 45 Tar sands 45 supervised statehood 45 carbon emission 45 polluter pays 45 Methyl bromide 45 Biomass Crop Assistance Program 44 Stamp duty 44 MRLs 44 carbon emission reductions 44 Carbon Credits 44 greenhouse gases 44 Nitrates Directive 44 ERUs 44 heat trapping carbon dioxide 44 Cancellation fees 44 GHG emission 44 sulfur dioxides 44 Forest Degradation 44 tar nicotine 44 absorbs sunlight 44 derogations 44 APMC Act 44 mercury emitted 44 EU ETS 44 greenhouse emission 43 tradeable 43 sulfur dioxide SO2 43 SO2 emissions 43 emitters 43 polluting gases 43 Most Favoured Nation 43 ocean fertilization 43 Nitrogen oxides 43 Most Favoured Nation MFN 43 EU Emissions Trading 43 nitrous oxides 43 CO ² 43 co2 43 Related Intellectual Property 43 acidifying 43 takings clause 43 Industrialized countries 43 preindustrial levels 43 cesses 43 Tailoring Rule 43 Waxman Markey cap 43 Coal gasification 43 scheme ETS 43 CERs 43 Volatile organic compounds 43 Landfill Directive 43 decarbonisation 43 GHG reductions 43 fiscally neutral 43 PURPA 43 Nortel remedial 43 preferential tariff 43 Endangered Species Cites