Related by context. Frequent words. (Click for all words.) 82 emission reduction 81 emissions 76 greenhouse gas emissions 74 greenhouse emissions 74 GHG emissions 74 greenhouse gas emission 73 carbon emissions 73 carbon emission 72 carbon dioxide emissions 70 emission 69 greenhouse gas 69 greenhouse gases 68 GHG 66 reducing carbon emissions 66 Emissions 66 CO2 emissions 65 reduce carbon emissions 64 greenhouse gasses 62 emitters 61 CO2 60 heat trapping gases 59 carbon 59 mercury emissions 59 carbon credits 57 NOx 56 carbon dioxide 56 Kyoto Protocol 56 reducing greenhouse gas 55 polluters 54 renewables 54 tailpipe emissions 54 reduce greenhouse gas 53 carbon dioxide CO2 53 Copenhagen Accord 52 carbon sequestration 52 carbon offsets 52 Kyoto protocol 52 carbon capture 51 Kyoto 51 pollution 51 renewable energy 51 nitrogen oxides 50 polluter 50 UNFCCC 50 nitrogen oxide 49 climate change 49 air pollution 48 fossil fuels 48 CDM 48 sulfur dioxide 48 pollutants 47 fossil fuel 47 EPA 47 coal fired 47 global warming 47 renewable 46 zero emission 46 CARB 46 Clean Air 46 pollutant 46 Climate Change 46 offsets 45 burning fossil fuels 45 biomass 45 particulate matter 45 Climate Action 44 REDD 44 legally binding 44 biofuels 43 Energy Efficiency 43 cleaner burning 43 ETS 43 Renewable energy 43 renewable fuels 42 carbon footprints 42 carbon neutral 42 retrofits 42 renewable energies 41 carbon footprint 41 reductions 41 emitter 41 gigawatts 41 biofuel 41 coal 41 alternative fuels 41 deforestation 41 polluting 40 environmental impacts 40 Clean Energy 40 soot 40 ozone 40 emitting 40 EVs 39 Environmental Protection Agency 39 emit 39 VOCs 39 particulates 39 tar sands 39 methane 39 mpg 39 retrofitting