Related by context. Frequent words. (Click for all words.) 55 sequester carbon 52 CO2 52 sequestering carbon 52 carbon dioxide 51 carbon dioxide CO2 51 carbon dioxide emissions 51 carbon sequestration 50 carbon emitted 50 greenhouse gasses 48 CO ² 48 carbon emissions 48 methane 48 nitrous oxide emissions 48 carbon dioxide emitted 48 CO2 emissions 47 GHG emission 47 greenhouse gas GHG 47 GHGs 47 greenhouse gases 47 C# emissions 47 gases emitted 47 sequestration 47 particulate emissions 46 reduce carbon emissions 46 emissions 46 emission reductions 46 greenhouse gas emissions 46 heat trapping carbon dioxide 45 greenhouse gas 45 harmful pollutants 45 greenhouse gas emission reductions 45 carbon emission reductions 45 reduce greenhouse gas 45 carbon emission 44 greenhouse emissions 44 nutrient runoff 44 nitrogen oxide emissions 44 CO2 emitted 44 flue gases 44 carbon dioxide emission 44 environmental impacts 44 species extinctions 44 Integrated Gasification Combined Cycle 44 GHG emissions 44 greenhouse gases emitted 44 greenhouse gas GHG emissions 44 pollutants 44 economically viable 44 fossil fuel 44 pollution 44 GHG reduction 43 greenhouse gas emission 43 absorb carbon dioxide 43 carbon dioxide CO2 emissions 43 biomass 43 Co2 42 biomass feedstock 42 carbon 42 pollutant emissions 42 renewable energy 42 emission 42 carbon capture 42 GHG 42 coal gasification 41 nitrous oxides 41 mercury emissions 41 technologically feasible 41 greenhouses gases 41 NOx emissions 41 toxic pollutants 41 energy 41 VOC emissions 41 fossil fuels 41 smog forming emissions 40 sulfur dioxide emissions 40 reducing carbon emissions 40 smokestack emissions 40 particulate matter emissions 40 combustion 40 economically feasible 40 biogenic 40 aerosol particles 39 impacts 39 carbon footprint 39 bioenergy 39 renewable 39 sulfur dioxide SO2 39 coal fired 39 generate 39 greenhouse gas emitting 39 hydrokinetic 39 emission reduction 39 heat trapping emissions 39 sequester 39 coal 39 livestock manure 39 gases 39 heat trapping gases 39 CO2 emission 39 mercury pollution 39 methane gas