Related by context. Frequent words. (Click for all words.) 61 carbon emitted 59 carbon dioxide emissions 58 carbon dioxide emitted 58 CO2 emitted 57 CO2 emissions 57 C# emissions 56 greenhouse gasses 56 carbon emissions 56 greenhouse gases emitted 56 greenhouse gas emissions 55 greenhouse gas GHG emissions 55 carbon dioxide emission 55 greenhouse gases 54 nitrous oxide emissions 54 CO2 53 heat trapping carbon dioxide 53 GHG emission 53 GHG emissions 53 Co2 53 carbon dioxide 53 carbon dioxide CO2 52 greenhouses gases 52 greenhouse emissions 52 carbon footprint 52 pollutant emissions 51 carbon dioxide CO2 emissions 51 carbon emission 50 GHGs 50 emissions 50 particulate emissions 49 reduce carbon emissions 49 N2O 49 Carbon dioxide emissions 49 CO2 emission 48 greenhouse gas emission reductions 48 greenhouse gas 48 carbon emission reductions 48 reducing carbon emissions 48 HCFC 48 smog forming emissions 47 carbon footprints 47 fossil fuel 46 VOC emissions 46 harmful pollutants 46 carbon emitting 46 carbon 46 sequester carbon 46 GHG reduction 46 bioplastic 46 emission reductions 46 biomass 45 nitrogen oxide emissions 45 fossil fuels 45 environmentally friendly 45 greenhouse gas emission 45 emission 45 heat trapping emissions 45 reducing CO2 emissions 44 environmentally harmful 44 CO2e 44 megatonnes 44 GHG 44 harmful gases 44 energy 44 greenhouse gas GHG 43 biofuel 43 ozone depleting substances 43 renewable 43 HCFCs 43 reduce greenhouse gas 43 Amazon deforestation 43 Cellulosic ethanol 43 ecological footprint 43 NOx emissions 43 environmental friendliness 43 methane 43 greenhouse gas emitting 43 biofuels 43 Carbon Dioxide 43 absorb carbon dioxide 43 environmentally sound 43 consumptions 43 tropical deforestation 43 carbon neutral 43 bio fuels 42 metric tons 42 heat trapping gases 42 recyclability 42 biochar 42 burning fossil fuels 42 renewable energy 42 biogas 42 megatons 42 biobased 41 recycled 41 global warming gases 41 livestock manure 41 wind turbines solar panels 41 recycled PET 41 Emissions 41 bio diesel