SimilarityRank
change_environment 0.683 46370
in_the_[number]_st_century 0.634 51849
future_challenge 0.585 41206
global_society 0.576 84854
fast_change 0.576 74885
global_challenge 0.575 41446
a_global_economy 0.574 75589
change_nature_of 0.565 49268
global_environment 0.561 57161
new_reality 0.558 46693
change_climate 0.555 70307
rapidly_change 0.553 62591
today_world 0.539 51147
global_change 0.531 38598
the_[number]_st_century 0.527 85770
global_context 0.526 65964
in_the_twenty-first_century 0.524 56594
the_world_we_live_in 0.522 55460
[number]_st_century 0.522 86272
a_change_climate 0.520 77526
the_modern_world 0.520 25633
global_economy 0.518 42080
rapid_change 0.516 68895
contemporary_issue 0.503 75349
constant_change 0.502 80900