Related by context. Frequent words. (Click for all words.) 79 oil sands 76 oilsands 57 shale gas 56 fossil fuel 55 shale 54 bitumen 54 fracking 53 Suncor 52 carbon capture 51 fossil fuels 50 Imperial Oil 49 EnCana 49 hydraulic fracturing 49 Fort McMurray 49 Oil Sands 49 carbon sequestration 48 natural gas 48 Enbridge 47 oil 47 ANWR 47 biofuels 47 renewables 47 coal 47 Alberta 47 North Slope 46 TransCanada 46 renewable fuels 45 cellulosic ethanol 45 EnCana Corp. 44 Petro Canada 44 Athabasca 44 ethanol 43 crude oil 43 oilfields 43 Chevron 43 biofuel 43 coal fired 42 refineries 42 polluting 42 refinery 42 hydrocarbons 42 renewable energy 42 wind farms 42 drillers 42 Nexen 42 carbon 42 greenhouse gas 42 renewable 42 Exxon Mobil 41 polluter 41 CO2 41 hydrocarbon 41 horizontal drilling 41 coal seam gas 41 feedstocks 41 offshore drilling 41 ExxonMobil 41 uranium mining 41 Syncrude 41 Arctic 41 liquefied natural gas 41 Sierra Club 41 greenhouse gases 41 polluters 41 greenhouse emissions 41 feedstock 41 Powder River Basin 40 greenhouse gas emissions 40 Premier Ed Stelmach 40 Kinder Morgan 40 Exxon 40 extraction 40 Ethanol 40 Jim Prentice 40 ConocoPhillips 39 pollute 39 environmentalists 39 gas 39 Suncor Energy Inc. 39 petroleum 39 uranium 39 carbon emissions 39 deepwater drilling 39 Stelmach 39 LNG 39 biomass 39 toxic waste 39 carbon dioxide 39 Rocky Mountains 39 emission reductions 39 climate change 39 GHG emissions 39 emissions 38 deepwater 38 drilling 38 crude 38 BHP 38 biodiesel 38 incineration 38 drilling rigs 38 mining