SimilarityRank
fracturing 0.862 29911
Fracking 0.847 62210
oilsands 0.840 96475
shale 0.776 17984
drilling 0.769 8037
drillers 0.750 78745
Shale 0.721 29866
Enbridge 0.718 59217
Marcellus 0.709 34448
CSG 0.703 64462
groundwater 0.696 17131
methane 0.690 19799
fluoridation 0.685 54615
TransCanada 0.677 78605
coal 0.673 5233
aquifers 0.673 48296
polluters 0.670 54299
MTBE 0.668 96906
tailings 0.663 49890
polluting 0.659 28346
pipelines 0.658 21092
toxics 0.658 88988
hydraulic 0.657 13689
coal-fired 0.656 36383
BP's 0.655 51410