SimilarityRank
fracking 0.897 11122
shale_gas 0.805 37644
Fracking 0.743 45351
drilling 0.721 10785
shale 0.702 37008
oil_and_gas_development 0.694 94930
tar_sand 0.674 46054
natural_gas 0.657 5419
the_oil_and_gas_industry 0.653 29269
oil_sand 0.652 85986
driller 0.632 83065
coal_mining 0.619 44011
groundwater 0.618 10207
uranium_mining 0.617 93344
the_oil_industry 0.615 34349
aquifer 0.603 20084
oil_and_gas_company 0.599 58231
energy_development 0.598 69095
coal_ash 0.595 91869
oil_and_gas_industry 0.585 92479
oil_well 0.583 81357
oil_production 0.577 33907
ground_water 0.573 30977
oil_exploration 0.572 84645
Marcellus 0.570 79003