Otu United Nations (UN) ewepụtala akụkọ na-egosi na akụrụngwa obodo mepere emepe na-acha akwụkwọ ndụ akwụkwọ ndụ nwere ike ịkwado uto akụ na ụba na-eji obere akụ sitere n'okike.
Akuko 'City-Level Decoup-ling: Urban Resource Flows and the Government of Infrastructure Transition' gụnyere ikpe iri atọ na-egosi uru dị n'ịga akwụkwọ ndụ akwụkwọ ndụ. Ọ bụ International Resource Panel (IRP) chịkọtara akụkọ a n'afọ 2011, bụ nke òtù UN Environment Programme (UNEP) na-akwado.
Nchoputa a gosiputara na itinye ego na akụrụngwa na-adigide na teknụzụ na-arụ ọrụ nke ọma n'obodo ukwu na-enye ohere iji wepụta uto akụ na ụba, yana ọnụ ọgụgụ dị ala nke mmebi gburugburu ebe obibi, mbelata ịda ogbenye, mpụta ikuku griin-gas na mma mma.