Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Mkpa nke iwu ndị na-emepe emepe dịka International Labor Organization (ILO), Food and Agriculture Organization (FAO), na World Health Organization (WHO), dugara na 1972 UN Conference on Human Environment (Stockholm Conference) iji dozie mmetọ nke mgbanwe mgbanwe ụlọ ọrụ n'oge 1960s na 1970s. N'ọgbakọ a, a tụlere isiokwu dị iche iche gụnyere ndụ mmiri, nchedo akụ, mgbanwe gburugburu ebe obibi, ọdachi metụtara okike, na mgbanwe ndu. Nzukọ a rụpụtara Nkwupụta Maka Gburugburu Ebe Obibi nke Mmadụ (Nkwupụta Stockholm) na nguzobe nke òtù na-ahụ maka gburugburu ebe obibi, bụ́ nke e mesịrị kpọọ United Nations Environment Program (UNEP). E guzobere UNEP site na Mkpebi Nzukọ Ezumezu nke 2997. E guzobere isi ụlọ ọrụ dị na Nairobi na Kenya na ndị ọrụ 300, gụnyere ndị ọkachamara 100 na mpaghara dị iche iche, yana ego afọ ise nke ihe karịrị US $ 100 nde. N'oge ahụ, United States kwere nkwa inye nde US $ 40 na ndị fọdụrụ site na mba 50 ndị ọzọ. E guzobere Voluntary Indicative Scale of Contribution (VISC) n'afọ 2002 iji mee ka ọnụ ọgụgụ ndị na-akwado UNEP mụbaa. Mba ndị so n'òtù UN na-enye onyinye afọ ofufo maka ego e ji eme ihe n'usoro ihe omume nile nke UNEP. Ego gburugburu ebe obibi, nke mba nile nke UNEP na-etinye ego na ya, bụ isi iyi nke usoro ihe omume UNEP. N'agbata afọ 1974 na afọ 1986, UNEP wepụtara ihe karịrị ụkpụrụ nduzi ma ọ bụ akwụkwọ ntuziaka dị narị abụọ banyere gburugburu ebe obibi, gụnyere ilekọta oké ọhịa na mmiri, ịchịkwa ụmụ ahụhụ, ileba anya na mmetọ, mmekọrịta dị n'etiti iji kemịkal na ahụ ike, na ilekọta ụlọ ọrụ.  Ajụjụ: Ego ole ka mba Amerịka kwere nkwa inye?
Nde $40