SimilarityRank
water_shortage 0.631 40423
water_crisis 0.622 78088
high_oil_price 0.607 99298
economic_problem 0.599 38699
peak_oil 0.597 42109
water_scarcity 0.594 48604
food_crisis 0.587 70086
environmental_crisis 0.587 74211
economic_crisis 0.585 10361
energy_issue 0.581 64401
energy_supply 0.580 25938
energy_security 0.580 23237
alternative_energy_source 0.580 77620
energy_policy 0.575 22003
global_warming 0.571 5979
the_power_sector 0.565 59606
environmental_problem 0.564 25380
debt_crisis 0.561 56311
energy_resource 0.560 32118
of_fossil_fuel 0.559 44531
energy_independence 0.558 65055
energy_production 0.557 24155
environmental_challenge 0.556 68452
energy_price 0.555 45163
oil_price 0.554 24457