Kuzizira kwapadziko lonse

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Chifukwa cha kafukufuku wa dzuwa ndi dziko lathu lapansi, asayansi apeza kuti chiwopsezo cha kuziziritsa kwadziko lapansi kuli pafupi. Vutoli lagona poti pang'onopang'ono kuziziritsa kwa kulimba kwa dziko lapansi, chifukwa chake kutentha kwapachaka kumatsika ndi madigiri angapo. Tsoka likamachitika, dziko lapansi limatha kuundana, monga limachitira nthawi ya Ice Age.

Mbiri yavuto la kuzirala kwapadziko lonse

Nthawi yozizira yapadziko lonse lapansi inali yomaliza padziko lapansi m'zaka za zana la 17. Panthawiyo, kutentha kunatsika kwambiri. Mawonetseredwe oyamba ozizira padziko lonse adalembedwa ndi wasayansi waku England, ndipo polemekeza iye nthawi imeneyi idatchedwa "Maunder minimum", yomwe idayamba kuyambira 1645-1715. Malinga ndi mboni zowona ndi maso, ngakhale Mtsinje wa Thames udazizira.

M'zaka za m'ma 1940 ndi 1970, lingaliro loti kuzizira padziko lonse lapansi kudalamulira. Pomwe, chifukwa chakukula kwachuma mwachangu komanso ntchito zamafakitale, kutentha kwa mpweya kumayamba kukwera mwachangu, asayansi adayamba kukambirana zakutentha kwadziko. Posakhalitsa, malingaliro awa adayamba kukambidwa kwambiri, ndipo uthengawu udafikira anthu wamba. Chifukwa chake, lingaliro la chimfine chozizira lidayiwalika kwakanthawi.

Mavuto apano

Akatswiri ananenanso za kuopsa kwa nyengo yozizira ya nyukiliya pomwe chiwopsezo chakuukira kwanyukiliya m'mizinda chikawonekera. Kuphatikiza apo, tsopano lingaliro ili likutsimikiziridwa ndi kafukufuku watsopano wa asayansi. Adapeza mabala akuda padzuwa, ndipo mu 2030 kuzungulira kwatsopano kudzayamba, komanso kuzizira kwapadziko lonse. Izi zichitika chifukwa mafunde awiriwo adzawonetsana, motero Dziko lapansi silingatenthedwe ndi mphamvu ya Dzuwa. Kenako dziko lapansi likhoza kupulumuka "nyengo yachisanu" yotsatira. Padzakhala chisanu choopsa zaka 10. Akatswiri a zakuthambo amaneneratu kuti kutentha kwa mlengalenga kudzatsika ndi 60%.

Gulu la ofufuza likunena kuti ngakhale izi sizikuyandikira kuzizira, kapena zomwe zikuwonedweratu mtsogolomo, anthu sangayime. Ngakhale ena ali ndi nkhawa zakutentha kwadziko, chiwopsezo cha "zaka zachisanu" chikuyandikira kwambiri. Yakwana nthawi yogula zovala zotentha, zotenthetsera ndikupanga njira zopulumukira m'malo ovuta a chisanu. Kwatsala nthawi yochepa yokonzekera chimfine chomwe chikuyandikira. Komabe, awa ndi malingaliro chabe a asayansi, tiwona zotsatira zake posachedwa.

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Onerani kanemayo: HAMA YEMURUME (January 2025).