Canjin yanayi na iya takaita wasannin Olympics na hunturu a nan gaba

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Akwai hanyoyi da yawa, da yawa na canjin yanayi na iya shafar rayuwar mu ta yau da kullun. Baya ga bayyanannun abubuwan da ke haifar da muhalli (kamar, um, biranen da ke ɓacewa ƙarƙashin ruwa), muna kuma iya tsammanin ƙaruwa a cikin komai daga tashin tashin jirgi zuwa lamuran lafiyar kwakwalwa.

Tasiri ɗaya mai yuwuwa wanda ya isa gida, musamman a yanzu? Wasannin Olympics na lokacin hunturu kamar yadda muka san su na iya ganin wasu manyan canje -canje a shekarun da suka gabata. Bisa lafazin Matsalolin yawon shakatawa, adadin wuraren da za a yi wasannin Olympics na lokacin sanyi zai ragu sosai idan sauyin yanayi ya ci gaba da tafiya a halin yanzu. Masu bincike sun gano cewa, idan ba a dakile fitar da hayaki mai gurbata muhalli a duniya ba, birane takwas ne kawai daga cikin 21 da suka gudanar da wasannin lokacin sanyi a baya, za su kasance a nan gaba, saboda sauyin yanayi. A cikin jerin wuraren da za su iya zama babu gos nan da 2050? Sochi, Chamonix, da Grenoble.

Abin da ya fi haka, saboda ƙarancin lokacin hunturu, masu binciken sun nuna cewa mai yiyuwa ne wasannin Olympics da na nakasassu, waɗanda tun daga 1992 aka gudanar da su a cikin birni ɗaya tsakanin watanni biyu kawai (amma wani lokacin watanni uku), zai yiwu. yana buƙatar raba tsakanin birane biyu daban -daban. Wancan ne saboda adadin wuraren da za su yi sanyi sosai daga watan Fabrairu zuwa Maris (ko wataƙila Afrilu) nan da 2050 har ma ya fi guntu jerin wuraren da za su iya riƙe wasannin Olympics na dogaro. Pyeongchang, alal misali, za a yi la'akari da "mai hatsarin yanayi" don gudanar da wasannin nakasassu na lokacin hunturu nan da 2050.

"Tuni sauyin yanayi ya yi tasiri a wasannin Olympics da na nakasassu, kuma wannan matsalar za ta kara tabarbarewa ne muddin muna jinkiri wajen yaki da sauyin yanayi," in ji Shaye Wolf, Ph.D., darektan kimiyyar yanayi a cibiyar bambancin halittu. . "A wasannin Olympics na 2014 a Sochi, yanayin dusar ƙanƙara ta haifar da yanayi mai haɗari da rashin adalci ga 'yan wasa. Yawan raunin' yan wasa ya kasance mafi girma a yawancin wasannin kankara da kankara."

Bugu da kari, "rakuwar dusar ƙanƙara ba kawai matsala ce ga 'yan wasan Olympics ba, amma ga dukanmu waɗanda ke jin daɗin dusar ƙanƙara kuma muna dogara da shi don buƙatu na yau da kullun kamar samar da ruwan sha," in ji Wolf. "A duk faɗin duniya, jakar dusar ƙanƙara tana raguwa kuma tsawon lokacin lokacin dusar ƙanƙara yana kan raguwa."

Akwai dalili ɗaya bayyananne: “Mu sani cewa babban abin da ke haifar da dumamar yanayi a duniya shine karuwar iskar gas a cikin sararin samaniya, ”in ji Jeffrey Bennett, Ph.D., masanin ilimin taurari, malami, kuma marubucin Farkon Dumamar Duniya. Makamashin burbushin shine mafi girman iskar gas, wanda shine dalilin da yasa Bennett yace madadin hanyoyin samar da makamashi (hasken rana, iska, nukiliya, da sauransu) suna da mahimmanci. Kuma yayin da nacewa Yarjejeniyar Yanayin Paris zai taimaka, ba zai isa ba. "Ko da an rage yawan iskar gas da alkawuran da aka yi wa Yarjejeniyar Canjin yanayi ta Paris, har yanzu birane da yawa za su fado daga taswirar dangane da inganci."

Yayi. Don haka kuna iya mamakin game da takeaway a nan. "Lalacewar wasannin Olympics na lokacin sanyi wani abin tunatarwa ne cewa sauyin yanayi yana kawar da abubuwan da muke morewa," in ji Wolf. "Yin wasa a waje a cikin dusar ƙanƙara-jifa ƙwallon ƙanƙara, tsalle a kan sled, tsere ƙasa a kan skis-yana ciyar da ruhinmu da jin daɗinmu." Abin takaici, 'yancinmu na damuna kamar yadda muka san su wani abu ne da za mu yi yaki don magance sauyin yanayi.

Wolf ya ce "Gasar Olympics alama ce ta al'ummomin da ke haduwa don fuskantar kalubale masu ban mamaki." "Canjin yanayi babbar matsala ce da ke buƙatar ɗaukar matakan gaggawa, kuma ba za a iya samun lokaci mafi mahimmanci ga mutane su ɗaga muryoyinsu don buƙatar ƙa'idodin ƙa'idodin yanayi don fuskantar wannan ƙalubalen ba."

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