Related by context. Frequent words. (Click for all words.) 44 gigatons 43 greenhouse gas emissions 42 reducing carbon emissions 42 greenhouse gas emitter 42 carbon dioxide emissions 41 greenhouse gases 41 Carbon dioxide emissions 40 Jonathan Pershing 40 CO2 emissions 40 biggest polluter 39 greenhouse emissions 39 greenhouse gas emitters 39 burning fossil fuels 39 climate change 39 global warming 38 Kyoto accord 38 reducing CO2 emissions 38 carbon emissions 38 C# emissions 38 curbing greenhouse gas 38 reducing greenhouse gas 38 megatonnes 38 Greenhouse gases 38 industrialized countries 38 Kyoto protocol 37 heat trapping gases 37 emission reductions 37 greenhouse gasses 37 emissions 37 Yvo de Boer 37 IEA 36 carbon dioxide emission 36 GHGs 36 reduce greenhouse gas 36 greenhouse gas GHG emissions 36 greenhouse gas concentrations 36 Kyoto Protocol 36 Major Economies Forum 36 carbon dioxide 36 GDPs 36 Kyoto pact 36 combating global warming 35 OECD 35 heat trapping emissions 35 Global warming 35 Montreal Protocol 35 reduce carbon emissions 35 treaty 35 emitters 35 Climate Change Secretariat 35 heat trapping greenhouse gases 35 carbon dioxide CO2 35 greenhouse warming 34 APEC economies 34 Environment Programme 34 Kyoto treaty 34 legally binding treaty 34 emission reduction 34 Environment Commissioner Stavros 34 HCFCs 34 Lomborg 34 GDP 34 GHG emissions 34 greenhouse gas 34 atmospheric carbon dioxide 34 regulating greenhouse gases 34 CO2 34 carbon dioxide methane 34 nuclear nonproliferation 34 emitter 34 global warming gases 34 UNFCCC 34 Kyoto Treaty 34 ozone depleting substances 33 European Union 33 non proliferation 33 greenhouse gases emitted 33 carbon dioxide emitted 33 Climate Change IPCC 33 Gurria 33 Fossil fuels 33 Kyoto Protocol expires 33 fossil fuels 33 industrialized nations 33 Monbiot 33 atmospheric CO2 33 Hedegaard 33 greenhouse gas emission 33 Worldwatch Institute 33 GHG 33 deforestation 32 Kyoto 32 HFCs 32 Paula Dobriansky 32 emit carbon dioxide 32 legally binding 32 GNEP 32 Pachauri 32 Carbon Dioxide 32 Climate Change 32 carbon emitters