SimilarityRank
researcher_say 0.757 29829
scientist_have 0.647 13371
expert_say 0.642 21980
researcher_report 0.614 86261
study_suggest 0.603 90338
global_temperature 0.586 87576
rise_temperature 0.580 94668
researcher_find 0.573 47076
global_warming 0.566 5979
warming 0.554 15011
temperature_increase 0.552 70989
[number]_million_year_ago 0.549 80067
accord_to_new_research 0.539 90341
expert_say_that 0.538 99189
study_suggest_that 0.526 52780
researcher_find_that 0.525 31617
scientist_can 0.524 65521
climate_scientist 0.523 52045
rise_sea_level 0.521 52658
scientist 0.519 1201
climatic_change 0.519 79774
researcher_have 0.514 10927
temperature_rise 0.514 55615
due_to_climate_change 0.512 89218
ice_age 0.511 82789