Related by context. Frequent words. (Click for all words.) 75 reduce greenhouse gas 73 reducing carbon emissions 61 reduce carbon emissions 58 emission reduction 56 emission reductions 55 greenhouse gas emissions 54 greenhouse emissions 53 renewable energy 53 reducing 53 greenhouse gas 51 climate change 51 environmental sustainability 51 greenhouse gas emission 50 greenhouse gases 50 renewables 50 renewable fuels 50 carbon emissions 49 renewable 48 environmental stewardship 48 carbon dioxide emissions 47 GHG emissions 47 sustainable 47 Kyoto accord 47 environmentally sustainable 46 emissions 46 carbon capture 46 achieving 46 biofuels 46 carbon emission 46 alternative fuels 45 sustainability 45 fossil fuels 45 Kyoto Protocol 45 greenhouse gasses 45 GHG 44 Kyoto protocol 44 carbon sequestration 44 global warming 44 Kyoto treaty 43 alternative energies 43 halving 43 cleaner fuels 43 bioenergy 42 environmentally responsible 42 zero emission 42 renewable energies 42 fossil fuel 42 Climate Protection 42 global warming gases 41 environmentally friendly 41 CO2 emissions 41 Low Carbon 41 emitters 41 Renewable energy 41 lowering 41 carbon neutral 41 regulate greenhouse gases 41 Climate Change 40 greener 40 Climate Action 40 Copenhagen Accord 40 eradicating poverty 40 conserving 40 cellulosic ethanol 40 carbon 40 Climate Initiative 40 Clean Energy 40 cleaner burning 39 emission 39 Kyoto 39 Alberta oilsands 39 Sustainability 39 Energy Efficiency 39 maximizing 39 environmentally conscious 39 environmentally sound 39 biofuel 39 curbing 39 reduce 38 alleviating poverty 38 COP# [001] 38 greening 38 heat trapping gases 38 boosting 38 accomplishing 38 regulate greenhouse gas 38 burning fossil fuels 38 regulate carbon dioxide 38 environmental friendliness 38 sustainably 38 tailpipe emissions 38 reduction 38 conservation 37 poorer nations 37 Millennium Development Goals 37 carbon offsets 37 polluters 37 Renewable 37 achievable 37 Reducing 36 legally binding