Tadau Sandad Posorili

Tadau Sandad Posorili toi ko' (World Environment Day (WED)) pinotimpuun do Pitimungan Agung PBB ontok Toun 1972. Monikid toun, tadau diti ramayon id kakadayan di mogisusuai om ramayon miampai eksposisi sompomogunan ontok minggu 5 Mahas. Program Posorili PBB (UNEP), nogi pinotimpuun ontok 1962, momoguno tadau diti montok popoimbulai topurimanan manu manamong sandad posorili om mamagayat pogintangan pulitik om nogi koimaaan tulun ginimuan. 

 WED 2007 

Uhu Tadau Sandad Posorili 2007 nopo nga "Ais Di Alanak - Uhu Alasu?" (Melting Ice - a Hot Topic?). Ontok Tadau Kutub Sompomogunan, WED 2007 popolombus kokomoi bagas-bagas kosimbanan iklim   montok ekosistem om tongotulun id kutub, ontok kinoyonon suai i haro ais om salji, om nogi bagas kumaa pomogunan.

Karamayan sompomogunan poinsandad id kakadayan Tromso, Norway, iso kakadayan id koibutan garis Artik di ointutunan sabaagi "Totobon Sumuang Artik" (The Gateway to the Arctic).

 HAS 2006 
Uhu montok WED 2006 nopo nga "Gurun om Ponggurunan" (Desert and Desertification). Slogan montok HAS 2006 nopo nga "Kada popokoring tana okoring" (Don't desert dry lands).

Slogan diti poposotol koponsolon mongolig tana koring, di lobi mantad 40% id pomogunan. Ekosistem diti nopo nga iso kinoyonon, iso pertolu tulun id pomogunan di nointutunan sabaagi kinoyonon di arahung do sistom pongurunan. Karamayan di agayo pinaharo id Algeria.