Dee ihe na-aga n'ihu maka paragraf a - N'afọ 2015, Millennium Development Goals (MDGs) bịara na njedebe na usoro nke ịkọwapụta usoro mmepe mba ụwa iji dochie ha rụpụtara site na ịnakwere 2030 Agenda maka Sustainable Development, nke gụnyere usoro 17 Sustainable Development Goals. Nzukọ Mgbanwe Ihu Igwe nke United Nations COP21
, nke bu n'obi iru nkwekọrịta zuru ụwa ọnụ banyere ime ihe banyere ihu igwe, ga-emekwa na ngwụsị afọ 2015.