Wannan shine abin da binciken da aka buga a mujallar kimiyya ta Nature ya bayyana: canjin yanayi na yanzu ya fara shekaru 180 da suka gabata, kusan 80 kafin a yi imani da shi har yanzu. Beingsan Adam koyaushe suna daidaita yanayin da muke rayuwa da kanmu, amma har zuwa shekara ta 1830 da gaske duniya ta fara shan wahala, ma'ana, a cikin Juyin Farko na Farko.
Tun daga wannan lokacin, iskar gas mai cike da hayaki ta taru a sararin samaniya, kuma mun kai wani matsayi inda daidaiton yanayin Duniya ke karyewa, idan ba a rigaya ya karye ba. Ka tuna cewa sauye-sauyen yanayi koyaushe suna faruwa, amma yanzu mutane suna da ikon da za su iya ɓata su.
Yankan dazuzzuka, ci gaban dabbobi, da kuma amfani da makamashi na daga abubuwan da ke haifar da karuwar hayaki mai gurbata muhalli, kamar su carbon dioxide ko CO2. Amma, Ta yaya masu bincike suka san cewa canjin yanayi na yau ya fara ne da wuri fiye da yadda muke tsammani?
Don sani, tattara shaidun kai tsaye na yanayin zafin duniya daga abubuwa daban-daban a wurare daban-daban, kamar tattara samfuran zoben itacen, murjiyar murjani, dusar kankara waxanda suke sandunan ruwan daskarewa wanda aka ciro daga kankara, da sauran abubuwa don sanin yadda yanayin ya kasance a wata takamaiman kwanan wata, da kuma abin da ke tattare da iskar carbon dioxide.
A matsayin mai son sani, Belén Martrat, masanin kimiyya a Cibiyar CSIC don binciken muhalli da Nazarin Ruwa, »warming a cikin wurare masu zafi ya fara a kusan lokaci guda kamar a Arctic', Kusan 30s na 1815th karni. Har zuwa wannan lokacin, Duniya ta shiga wani lokaci na sanyaya saboda aman wuta, kamar Tambora a Indonesia a 1816 wanda ya haifar da haka a XNUMX babu lokacin bazara.
Ba a bayyana ba idan tashin juyin juya halin masana'antu na farko da karshen lokacin sanyaya ya yi daidai da lokaci ko kuma idan tsohon ya haifar da lamarin, amma marubutan binciken sun yi imanin cewa karuwar yawan iskar gas da ke hade duka abubuwan biyu.
Kuna iya karanta karatun a nan (cikin Turanci).
AMMA MISTER TUMP BAYA YI IMANI DA CIKIN YANAYIN YANAYI DA BAI SAMU BA.
Hello Alejandro.
Canjin yanayi ya kasance koyaushe kuma zai kasance. Matsalar ita ce ba a taɓa samun wani nau'i kamar namu da ke iya lalata yanayin da yake rayuwa a ciki ba, don haka ba za mu iya sanin tabbas abin da zai faru ba domin mu ne farkon waɗanda ke da irin wannan tasirin a doron ƙasa.
A gaisuwa.
Wannan canjin yanayi bai fara ba a ƙarshen ƙaramin zamanin kankara? Yana da al'ada cewa bayan sanyi ya zo zafi.