Related by context. Frequent words. (Click for all words.) 60 Syncrude 59 oilsands 57 tailings 51 oil sands 49 tar sands 47 bitumen 47 Fort McMurray 46 Alberta oilsands 46 boreal forest 45 ponds 45 wetlands 45 lagoons 44 Suncor 44 Clean Water Act 43 fracking 43 effluent 42 upgrader 42 sediment 42 toxic waste 42 uranium mines 41 contaminants 41 landfills 40 wetland 40 coalbed methane 40 gravel pit 40 biosolids 40 Teck Cominco 40 silt 39 pollution 39 coal ash 39 Kennecott 39 sulfur dioxide emissions 39 contaminated soil 39 leachate 39 ducks 39 carbon capture 39 sludge 39 lakes 39 manure 39 landfill 39 Enbridge 39 Athabasca 39 mines 38 toxic chemicals 38 waterways 38 slurry 38 mining 38 hydrocarbons 38 brine 38 quarry 38 Premier Ed Stelmach 38 stormwater runoff 38 Vale Inco 38 reclamation 38 Northwest Territories 37 Deepwater Horizon 37 waterfowl 37 Imperial Oil 37 methane 37 leaching 37 bed methane 37 reservoirs 37 watersheds 37 groundwater 37 NWT 37 marshland 37 pollute 37 polluters 37 sedimentation 37 pollutants 37 Alberta 37 flue gas 37 coal fired 37 TCEQ 37 Encana 37 oilpatch 36 situ 36 hydraulic fracturing 36 wastewater 36 coal mine 36 impoundment 36 subsurface 36 Oil Sands 36 dewatering 36 carbon sequestration 36 coal mines 36 smelter 36 DEQ 36 shorelines 36 dispersants 36 shale gas 36 stormwater 36 mercury emissions 36 incinerators 36 Jim Prentice 36 wildlife habitat 36 weir 36 AECL 36 bycatch 36 uranium mining 36 caribou