SimilarityRank
fracking 0.847 21463
Shale 0.707 29866
fracturing 0.695 29911
Spill 0.691 49982
Environmentalists 0.680 69122
oilsands 0.665 96475
Sequestration 0.659 89922
Sludge 0.658 98368
Drilling 0.655 33103
Pipelines 0.653 91389
Warming 0.650 29245
Flooding 0.648 61326
Methane 0.647 69623
Ethanol 0.645 51076
Marcellus 0.642 34448
Biofuels 0.642 67613
Pollution 0.640 29306
CSG 0.640 64462
Landfill 0.637 57827
Sewage 0.634 66452
Fuels 0.633 48822
Blasting 0.630 95729
Enbridge 0.630 59217
Groundwater 0.629 66053
Waste 0.627 13424