Ntuj Hloov Lub rooj sab laj ntawm pab neeg (COP) yog dab tsi ? (What is ‘Conference of the Parties’ (COP) Lub rooj sab laj ntawm pab neeg (COP) yog dab tsi ? Thiab nws cuam tshuam txog kev sib cav ntawm huab cua pauv ntxeev li cas ? (What is ‘Conference of the Parties’ (COP) and how it affect che discussion about climate change)
