Related by context. Frequent words. (Click for all words.) 62 tailing ponds 62 tailings ponds 54 Tar sands 53 Alberta tar sands 52 caribou herds 52 clearcuts 52 oilsands 52 tailings pond 51 muskeg 51 boreal forest 50 Athabasca River 50 tar sands 50 woodland caribou 50 mountain caribou 48 wetlands 48 oil sands 47 Oilsands 47 tarsands 46 Alberta oilsands 46 Burns Bog 46 contaminating groundwater 46 boreal forests 46 mountain pine beetles 46 toxic pollutants 46 Syncrude Canada 45 seabeds 45 Tar Sands 45 Boreal Forest 45 ecologically sensitive areas 45 mussel species 45 tar ponds 45 wetland ecosystems 45 noxious chemicals 45 Invasive plants 45 forested wetlands 45 ponds 45 toxic algae blooms 44 migrating waterfowl 44 uranium tailings 44 pristine wilderness 44 FREDERICTON CP 44 boreal 44 polluted waterways 44 grizzly bears 44 Rob Renner 44 Pebble Mine 44 lakes 43 Syncrude 43 clearcutting 43 sage grouse habitat 43 contaminated sediments 43 toxic waste 43 pine beetle infestation 43 gravel pits 43 toxic chemicals 43 Melting glaciers 43 caribou herd 43 wildlife habitat 43 hog barns 43 Oak Ridges Moraine 43 wildlife 43 Sage grouse 43 polluted groundwater 42 black footed ferrets 42 carbon dioxide sequestration 42 aboriginals 42 freshwater mussels 42 tundra 42 wetland habitats 42 cormorants 42 freshwater marshes 42 Soil erosion 42 hog barn 42 Passamaquoddy Bay 42 salmon spawning 42 beaver dams 42 caribou 42 mine tailings 42 wetland 42 lynx habitat 42 gravel extraction 42 hydro dams 42 rotting carcasses 42 sewage lagoon 42 Radioactive waste 42 Fort Chipewyan 42 roadless forests 42 geese ducks 42 panther habitat 42 grizzly bear habitat 42 waterways 42 Fort McMurray Alta 42 barrens 41 Invasive species 41 Toxic chemicals 41 Sable Island 41 watersheds 41 wildlife habitats 41 sagebrush habitat 41 reed beds 41 miner Teck Cominco