Related by context. Frequent words. (Click for all words.) 64 greenhouse gas emissions 64 CO2 emissions 62 carbon dioxide emissions 61 carbon emissions 61 greenhouse emissions 61 emissions 61 greenhouse gases 60 GHG emissions 59 GHGs 59 greenhouse gasses 59 greenhouse gas GHG emissions 58 carbon dioxide emission 58 pollutant emissions 57 carbon dioxide CO2 emissions 57 carbon emission 57 Carbon dioxide emissions 57 C# emissions 56 CO2 emission 55 greenhouse gas emission 55 atmospheric CO2 55 CO2 54 greenhouse gas 54 emission reductions 53 heat trapping gases 53 greenhouses gases 53 warming gases 52 nitrogen oxide emissions 52 NOx emissions 52 reducing carbon emissions 52 Greenhouse Gas Emissions 52 emission 52 Emissions 52 reduce carbon emissions 51 particulate emissions 51 carbon dioxide 51 Greenhouse gases 51 GHG 51 carbon dioxide CO2 51 pollution 51 greenhouse gases emitted 51 heat trapping emissions 50 atmospheric carbon dioxide 50 pollutant 50 air pollution 50 Carbon Dioxide 49 emission reduction 49 pollutants 49 consumption 49 reducing CO2 emissions 49 greenhouse gas concentrations 48 greenhouse gas emitter 48 carbon emitters 47 NOx 47 climate change 47 exhaust emissions 47 Greenhouse Gases 47 particulate pollution 47 fine particle pollution 47 global warming 47 ecological footprint 47 harmful gases 47 carbon emitted 46 gigatons 46 Greenhouse Gas 46 carbon emitting 45 deforestation 45 heat trapping greenhouse gases 45 burning fossil fuels 45 global warming gases 45 carbon footprints 45 carbon sinks 45 nitrogen oxides 45 HFCs 45 tailpipe emissions 44 particulate matter 44 GDP 44 carbon footprint 44 sulfur dioxide emissions 44 fossil fuel 44 albedo 44 carbon dioxide emitted 44 carbon 44 mercury emissions 44 IEA 44 carbon dioxide methane 44 fossil fuels 44 nitrogen oxide 43 harmful pollutants 43 biggest polluter 43 mercury pollution 43 greenhouse gas emitters 43 emitters 43 industrialized countries 43 Climate Change IPCC 43 anthropogenic 43 consumptions 43 polluting 43 #.#C [002] 43 GDPs 43 SO2 42 particulates