I-United Nations (UN) ikhiphe umbiko okhombisa ukuthi ingqalasizinda yasemadolobheni ekhiqiza uhlaza ingasimamisa ukukhula komnotho kuyilapho isebenzisa imithombo yemvelo embalwa.
Umbiko othi 'I-Decoup-ling Yezinga Ledolobha: Ukugeleza Kwezinsiza Zasemadolobheni kanye Nokuphathwa Kwezinguquko Zengqalasizinda' uhlanganisa amacala angamashumi amathathu abonisa izinzuzo zokuba luhlaza. Lo mbiko wahlanganiswa ngonyaka wezi-2011 yiPhaneli Yezinsiza Zamazwe Ngamazwe (i-IRP), ephethwe yi-UN Environment Programme (UNEP).
Okutholakele kukhombisa ukuthi ukutshala imali kwingqalasizinda esimeme kanye nobuchwepheshe bokusebenzisa izinsiza emadolobheni kunikeza ithuba lokuletha ukukhula komnotho, ngezinga eliphansi lokucekelwa phansi kwemvelo, ukuncishiswa kobubha, ukwehla kokukhishwa kwesisi esibamba ukushisa kanye nempilo engcono.