Otu United Nations Forum on Forests (UNFF9) ga-amalite n'ihu ọha 2011 dị ka International Year of Forests with the topic "Clebrating Forest Forest for People". Na nzukọ kwa afọ nke e mere na New York, UNFF9 lekwasịrị anya na "ọhịa maka ndị mmadụ, ndụ na mkpochapụ ịda ogbenye". Nzukọ ndị ahụ nyere ohere maka gọọmentị iji kparịta ụkpụrụ omenala na mmekọrịta ọha na eze nke oke ọhịa, ọchịchị na ka ndị na-eme ihe nwere ike imekọ ihe ọnụ. Gọọmenti US kwuputara ihe omume ya metụtara oke ohia na atumatu n'ime nzuko izu abụọ ahụ, gụnyere ịnabata mmemme n'akụkụ lekwasịrị anya na "Urban Greening na America".
E hiwere ọgbakọ United Nations on Forests n'October 2000 iji kwalite na wusie nkwa ogologo oge maka njikwa, nchekwa na mmepe nke ọhịa. UNFF bụ obodo niile so na United Nations na ụlọ ọrụ ya pụrụ iche.