Related by context. Frequent words. (Click for all words.) 59 reducing carbon emissions 57 greenhouse emissions 56 greenhouse gas emissions 56 greenhouse gases 56 greenhouse gas emission 55 carbon emissions 55 climate change 55 emission reduction 55 reduce carbon emissions 54 carbon emission 54 emissions 54 greenhouse gas 53 carbon dioxide emissions 53 emission reductions 52 global warming 52 poorer nations 52 greenhouse gasses 51 reducing greenhouse gas 49 global warming gases 49 emission 49 Kyoto accord 48 heat trapping gases 48 Kyoto protocol 47 Copenhagen Accord 47 Kyoto treaty 47 CO2 emissions 47 fossil fuel 47 reduce greenhouse gas 47 Kyoto Protocol 46 renewables 46 renewable energy 46 fossil fuels 46 renewable energies 45 biofuels 45 Developing nations 44 GHG emissions 44 carbon capture 44 polluters 44 carbon sequestration 44 gases blamed 44 emerging economies 43 carbon 43 carbon dioxide 43 alternative fuels 42 GHG 42 industrialized countries 42 Climate Change UNFCCC 42 emitters 42 agricultural subsidies 42 pollution 42 climate 42 renewable 41 CO2 41 Climate Change 41 carbon dioxide CO2 41 tailpipe emissions 41 industrialized nations 41 Climate 41 farm subsidies 41 UNFCCC 41 polluting industries 40 Kyoto 40 burning fossil fuels 40 biofuel 40 Copenhagen 40 nations 40 bio fuels 40 Renewable energy 40 regulatory frameworks 40 Emissions 40 HFCs 40 mercury emissions 40 renewable fuels 39 treaty 39 regulate greenhouse gases 39 curbing 39 Climate Change IPCC 38 mercury pollution 38 polluting 38 alleviating poverty 38 carbon credits 38 Global warming 38 deforestation 38 tax havens 38 legally binding 38 smart grids 37 air pollution 37 G8 37 non proliferation 37 geoengineering 37 alternative energies 37 polluter 37 Doha Round 37 Gleneagles Scotland 37 tropical forests 37 tar sands 37 REDD 37 environmentalists 37 Montreal Protocol 37 methane 36 cleaner burning