Rambai muchinyora ndima ino - Chibvumirano chepachena uye kuongorora hurongwa umo nyika dzinoita zvirongwa zvadzo zvekuderedza kusvibiswa kwakatangwa muna 1991, asi yakasiyiwa pamberi pechibvumirano cheKyoto cha1997, apo chinangwa chaive chekuchengetedza chibvumirano che "kumusoro pasi" zvinangwa zvekubvisa. Nzira iyi yakadzoswa kuCopenhagen, uye yakawana kumwe kuzivikanwa neChibvumirano cheParis cha2015, kunyangwe zvivimbiso zvakazonzi mipiro yenyika (NDCs). Idzi dzinofanira kuiswazve muchimiro chakawedzerwa makore mashanu oga oga. Kuti nzira iyi ichashanda sei zvichiri kufanira kuonekwa. Kuendeswa kwekutanga kwenyika dzakakwidziridzwa NDCs kunofanirwa kuitika kumusangano we2021 Glasgow
. Pane hurongwa hwekubvumirana hurongwa hwenyika dzese hwekutengeserana kwemutengo wekabhoni, zvakare pamusangano weGlasgow COP wa2021.