Nawa ne duniyarmu ta wanzu, da yawa yana canzawa. Na tsaunuka teku, nahiyoyi sun bayyana, tsaunuka sun girma, da teku, suka ɓace. Duk wannan miliyoyin shekaru ne. Amma a cikin 'yan shekarun nan, canje-canje a cikin duniyar talla sosai.
Ba tare da wata shakka ba, halayen aikin ɗan adam da ci gaban kimiyya da fasaha. A cikin hotunan da masana kimiyya suka yi, a bayyane yake a bayyane yadda da sauri muke kashe duniyarmu.
Glacier Petersen, Alaska
An yi harbi na hagu a watan Agusta 1917. A hoto a hannun dama wuri guda ne, amma a cikin shekaru 88, a cikin watan Agusta 2005. Glacier ba ta da.
Glacker McCarthy, Alaska
Akwai kusan guda hoto. An yi su biyu a lokacin rani. Hagu - Yuli 1909, hoton da ya dace an sanya shi kusa da kwanan nan, a watan Agusta 2004. Glacier ya koma sama da kilomita 15. Masana kimiyya sun gama kiyaye gilashi, suna farawa cikin hamsin na ƙarni na ƙarshe. Ice ta koma baya a matsakaita na mita 1.8 a shekara, amma a cikin shekaru goma da suka gabata na saurin saurin da ya gabata ya karu. Masu binciken na Jami'ar Argentina sun yi imani cewa wadannan sune farashin mafi sauri na raguwar glacier a cikin shekaru 12 da suka gabata.
Dutsen Batrathornhorn, Italiya / Switzerland
Dutsen Matasa yana kan iyakar Italiya da Switzerland. A cikin shekaru 45-50, ya canza abubuwa da yawa. A baya can, ta rufe dusar ƙanƙara mai ban sha'awa. Yanzu kawai ƙananan ƙananan tsibiri sun kasance daga murfin dusar ƙanƙara. Mai ilmin kimiyyar Italiyanci Luka Merkali ya cika da shi a baya a wannan dutsen. Ya yi imanin cewa yana narkar da dusar ƙanƙara a saman yana kara haɓaka a cikin lokacin bazara na 2003, lokacin da ba karamin zafi yake nan ba. Snow Pokrov ya haɗa duwatsun, kuma a yanzu, lokacin da ba haka ba, StonePads suna da yawa a Mattehorn da sabon fasa bayyana.
Tafiya-Butervoir giwa-Butt, Amurka
Wannan tafkin yana tare da Rio Grande kogin a New Mexico. Ana iya kiran halin da ake ciki a nan ana iya kiran bala'i. Hotunan da zaku iya ganin yadda ya ragu daga 1993 zuwa 2014. A yanzu, kwararrun masu sihiri a Amurka suna haɓaka tsari don kiyaye tafkin. Elephant-Bute kayayyaki ne a cikin birnin El Paso da dubu 35 na kadarorin aikin gona. Dole ne in faɗi cewa kowace shekara sai ya zama mafi muni.
Basrop, Texas
Daga tauraron dan adam, ana iya ganin yadda gundumar Bastrop ta canza a Texas. Zasuha 2011 da gobarar da ta mamaye gandun daji. A cikin duka, kimanin kadada 13,111 na gandun daji da kusan gine-ginen mazaunin 20,000 ne aka lalata. Wannan shi ne mafi girman wuta a tarihin jihar.
Lake Orgovill, California
Menene zai iya faruwa a cikin shekaru uku? Yaron ya koyi magana, kwikwiyo ya zama kare mai karfi, kuma konoville Lake a California ya rasa 70% na ƙarar ta a wannan lokacin. Da alama ba gaskiya bane, amma hotuna suna magana da kansu.Hoto daga wani kusurwa yana nuna sikelin bala'in. Idan haka ne ci gaba, bayan wasu 'yan shekaru, tafkin ba zai zama kwata-kwata ba. A cikin ofishi na tarayya na Izini na Amurka, sun ce 2014 a California ya fi karamar ci gaba a karni na karshe.
Lake Shasta, California
Mafi yawan tafki mafi girma na Califoria, Shasta, ba komai a yanzu. Ina akwai ruwa, sai hamada ta shafe rana. Farin ciki a hoto yanki ne na buoy.
Lake Mar-Chikita, Argentina
An kira Login Argentine na Mar-Chikita "ɗan teku", saboda Ruwa a cikin shi salted. A cikin shekaru 13 da suka gabata, sau biyu sakamakon ban ruwa da fari. Kuna iya riga da sakamakon daga raguwa a cikin lake. Ya zama mafi gishiri duk shekara cewa ba ya shafar mazaunanta. Bugu da kari, hadari na ƙura ya zama maimaituwa cikin kusancin tafkin.
Tekun Ara, Kazakhstan / Uzbekistan
Tekun Aer na Arar ya saba da mu tun yana yara. Komawa a cikin lokutan Soviet, a cikin Jaridar "Crocodile" ta buga Caricam wanda aka buga a wanda aka nemi abokan aiki: "Zane-zane?" A zahiri, Tekun Arailla lake ne na gishiri, kamar Mar-Chikita. Ya fara raguwa a rabi na biyu na karni na karshe. A shekara ta 1960, murabba'in ya kasance murabba'in kilomita dubu 70, a cikin 1989 an raba shi kashi biyu, kuma a farkon karni na biyu, dubu sirin. Araru ya bushe saboda canjin yanayi, gina tashoshi da ban ruwa na ƙasar noma. A lokacin da aka bayar a Tekun Aeral ya ɓace kusan kifin.
Gandun daji a Rondioni, Brazil
Pongooni na daya daga cikin ƙarami da girma a Brazil. An gina shi ne a wurin da ke nuna alamun rashin ƙarfi. Da sauri jihar, da more aiki da gandun daji. A hoton da zaku iya ganin ƙasar Rondia a 1975 da 2009. Masana kimiyya suna da tabbacin cewa a tsawon shekaru na ƙarshen canje-canje na halitta zasu ƙaru ne kawai. Kowace shekara, mutane sun yanke kururuwa daidai da yankin tsibirin Callan. A zahiri, shi da ƙarfi yana rinjayar yanayin duniyar. A cewar masana kimiya daga kungiyar da ta Agusta kan kungiyar canji ta damfara (IPCC), a lokacin daga 1901 zuwa 2010, zazzabi na duniya Celsius.
