Related by context. Frequent words. (Click for all words.) 72 emission reductions 71 emission reduction 67 GHG emissions 67 greenhouse gas emissions 67 greenhouse gas emission 67 emissions 66 greenhouse emissions 64 carbon emissions 64 greenhouse gas 63 GHG 63 carbon dioxide emissions 63 carbon emission 61 greenhouse gases 60 CO2 emissions 60 reducing carbon emissions 60 reduce carbon emissions 58 emission 58 greenhouse gasses 57 carbon credits 55 reduce greenhouse gas 55 carbon 55 CO2 55 reducing greenhouse gas 55 Kyoto protocol 54 carbon sequestration 54 Emissions 54 renewables 53 renewable energy 53 Kyoto Protocol 53 carbon offsets 51 carbon dioxide 50 zero emission 50 mercury emissions 50 renewable 50 climate change 50 Climate Action 49 emitters 49 carbon dioxide CO2 49 tailpipe emissions 48 heat trapping gases 48 Climate Change 48 carbon footprint 48 biofuels 48 carbon neutral 48 NOx 48 renewable fuels 48 bioenergy 48 biomass 47 Energy Efficiency 47 environmental sustainability 47 fossil fuels 47 exhaust emissions 47 sustainability 47 UNFCCC 47 carbon footprints 47 carbon capture 46 fossil fuel 46 Kyoto 46 environmentally sustainable 46 polluters 45 Clean Development Mechanism 45 Low Carbon 45 CDM 45 nitrogen oxide 45 pollutants 45 environmental impacts 44 REDD 44 Kyoto treaty 44 Sustainability 44 pollution 44 Renewable energy 44 environmental 44 biofuel 44 mercury pollution 43 alternative fuels 43 nitrogen oxides 43 Copenhagen Accord 43 renewable energies 43 smart metering 43 Montreal Protocol 43 efficiency 43 Clean Energy 43 Renewable Energy 42 Renewables 42 CARB 42 Smart Grid 42 burning fossil fuels 42 Sustainable Development 42 Sustainable 42 offsets 42 environmentally sound 42 environmentally responsible 42 RECs 42 environmentally friendly 42 COP# [001] 41 Climate 41 global warming 41 polluter 41 conservation 41 Bioenergy 41 air pollution