action (17) already (18) around (18) carbon (12) change (44) changes (10) choices (9) climate (76) cop (12) countries (13) crisis (13) degrees (22) education (12) emissions (20) energy (13) forests (12) fossil (11) going (12) happen (12) hope (9) important (22) ipcc (21) maybe (10) needs (10) ocean (11)