Cika wannan magana: Taken ranar muhalli ta duniya ta 2015 ita ce "Mafarki Biliyan Bakwai. Duniyar Daya. Ku ci da hankali". An zabi taken ne ta hanyar tsarin jefa kuri'a a shafukan sada zumunta. A Saudi Arabiya, mata 15 sun sake yin amfani da buhunan filastik 2000 don yin zane-zane don tallafawa WED 2015. A Indiya, Narendra Modi ya dasa bishiyar Kadamb don bikin Ranar Muhalli ta Duniya da kuma wayar da kan jama'a game da Muhalli. Italiya ita ce kasa mai masaukin baki na 43 na WED. An gudanar da bukukuwan ne a matsayin wani bangare na
Milan Expo a kusa da taken: Ciyar da Duniya <unk> Makamashi don Rayuwa.