Ka taƙaita labarin:  A kowace shekara ana sare dubban murabba'in kilomita na gandun daji a Amazon don a yi noma - irin wannan lalacewar tana faruwa a dukan duniya. Amma duk da haka, duniyar tamu ta zama mafi kore a cikin shekaru goma da suka gabata, tare da yawan adadin tsire-tsire da ke ƙaruwa gaba ɗaya. Ƙarin ya yi yawa sosai da itatuwa da tsire-tsire na duniya yanzu suna adana kusan tan biliyan huɗu na carbon fiye da yadda suke yi a shekara ta 2003. Ana share dubban murabba'in kilomita na gandun daji a cikin Amazon (hoton) kowace shekara don ba da hanya ga ƙasar noma - tsarin lalacewa wanda ke faruwa a duk faɗin duniya - amma duk da haka, duniyar tamu ta zama mafi kore a cikin shekaru goma da suka gabata, tare da yawan adadin tsire-tsire da ke ƙaruwa gaba ɗaya. Wannan ya faru ne domin dasa itatuwa a ƙasar Sin, da kuma sake shuka gandun daji a ƙasashen da a dā suke cikin tarayyar Soviet domin gonaki da aka yi watsi da su, da kuma ƙara yawan ciyayi domin yawan ruwan sama. Masana kimiyya sun binciki bayanan tauraron dan adam na shekaru 20 kuma sun sami karuwar carbon, duk da ci gaba da yaduwar gandun daji a Brazil da Indonesia, a cewar binciken da aka buga a ranar Litinin a cikin Canjin Yanayi na Yanayi. Carbon yana gudana tsakanin tekun duniya, iska da ƙasa. Yana cikin sararin samaniya musamman a matsayin carbon dioxide (CO2) - babban iskar gas da ke canja yanayi - kuma an adana shi a matsayin carbon a cikin itatuwa. Ta hanyar photosynthesis, itatuwa suna canja carbon dioxide zuwa abincin da suke bukata don su yi girma, suna riƙe carbon ɗin a cikin itacen. Girgizar duniya ta samu ne saboda dasa bishiyoyi a China, sake tsiro da gandun daji a tsoffin jihohin Soviet saboda gonakin da aka watsar da su da kuma karin savannahs masu kyau saboda gonakin da aka watsar da su da kuma yawan ruwan sama. An nuna hoton dangi a kan aikin gona a cikin USSR a shekarar 1935. Masu binciken sun ce Duniya tana kara yin koren yanayi ne saboda hadin kan abubuwan muhalli da na kudi. Akwai itatuwa da yawa a China saboda shirye-shiryen dasa shuki da aka gudanar na 'yan shekarun da suka gabata. Tsire-tsire sun karu a kan savannahs na Australia, Afirka da Kudancin Amurka sakamakon karuwar ruwan sama....
Masana kimiyya a Ostiraliya sunyi nazarin shekaru 20 na bayanan tauraron dan adam game da kore. An gano akwai tan biliyan 4 na carbon da bishiyoyi suka adana fiye da na shekarar 2003. Shuka bishiyoyi a kasar Sin, sake farfado da gandun daji a tsoffin jihohin Soviet da kuma Savannah mai ban sha'awa saboda yawan ruwan sama ana zaton suna bayan hauhawar.