Related by context. Frequent words. (Click for all words.) 85 carbon emissions 82 emissions 81 greenhouse gas emissions 79 carbon dioxide emissions 79 emission 78 CO2 emissions 76 greenhouse emissions 75 GHG emissions 75 greenhouse gas 75 emission reduction 73 greenhouse gases 73 emission reductions 73 carbon 71 GHG 70 reduce carbon emissions 69 CO2 67 reducing carbon emissions 65 Emissions 62 carbon credits 61 pollution 61 carbon dioxide 59 carbon footprints 59 carbon offsets 58 climate change 57 carbon footprint 56 heat trapping gases 56 NOx 56 air pollution 55 global warming 54 renewable energy 54 mercury emissions 51 fossil fuel 51 carbon neutral 50 emitters 50 Kyoto Protocol 50 polluters 50 renewables 49 deforestation 49 Climate Change 49 fossil fuels 49 zero emission 48 Energy Efficiency 48 polluter 47 CDM 47 carbon sequestration 47 biofuel 47 Kyoto protocol 47 carbon capture 47 Carbon 47 biofuels 47 Climate 47 pollutant 47 reduce greenhouse gas 47 nitrogen oxides 46 renewable 46 bio fuels 46 polluting 46 coal fired 46 Kyoto 46 reducing greenhouse gas 45 sulfur dioxide 45 pollutants 44 biomass 44 ETS 44 renewable energies 44 Climate Action 43 particulate matter 43 offsets 43 efficiency 43 environmentally friendly 43 environmental 43 alternative fuels 42 Renewable energy 42 emit 42 acid rain 42 climate 42 UNFCCC 42 energy 42 coal 42 environmentally sustainable 41 emitting 41 biodiversity 41 burning fossil fuels 41 Pollution 40 EVs 40 pollute 40 environmental sustainability 40 smog 40 methane 40 Copenhagen Accord 40 soot 40 Climate Change IPCC 40 gases 39 cleaner burning 39 smart grid 39 eco 39 renewable fuels 39 environmental impacts 39 eco friendly 39 greenest 39 ozone