Gas na Gas yana da matukar mahimmanci don rayuwa ta kasance a Duniya; Koyaya, saboda ci gaba da fitar da gas kamar carbon dioxide ko methane, yanayin yana canzawa sosai a duk duniya. Don ƙoƙarin kiyaye shi a ƙarƙashin sarrafawa, ƙwayoyin halitta daban-daban suna adana bayanan bayanan yanayi wanda ke taimakawa masana yanayi don yin ingantaccen tsinkaya, misali NOAA Greenhouse Gas Index, wanda ya dogara da bayanan yanayin yanayi, yana aiki san abin da ke faruwa da yanayin a yanzu.
Kuma abin da ya faru ba shi da kyau: iskar gas ta karu da kashi 40% tsakanin 1990 da 2016.
Menene tasirin greenhouse?
Tasirin greenhouse shine hauhawar yanayin zafi sakamakon yawan gas waxanda suke tururin ruwa (H2O), carbon dioxide (CO2), methane (CH4), nitrogen oxide (NOx), ozone (O3) da chlorofluorocarbons (CFCs).
Lokacin da hasken rana ya isa Duniya da sauri sukan dumama kasa, tunda yanayin sararin samaniya yana bayyane ga hasken da ake gani amma yafi karancin hasken infrared. Da zarar sun taba fuskar duniya, sai su yi ta yana fitar da haskoki na infrared wanda iska ke mamaye shi gaba daya.
Kodayake yawan kuzarin da ake fitarwa zuwa sararin samaniya daidai yake da wanda yake shanyewa, saman duniya dole ne ya kai ga yanayin zafin da duka biyu ke gudana daidai, wanda shine 15ºC akan matsakaici.
Idan ba a samar da wannan tasirin ba, da za mu sami matsakaicin yanayin yanayin ƙasa na -18ºC. Amma idan yawan iskar gas yana ci gaba da hauhawa, sakamakon canjin yanayi na iya zama mai lalacewa, tunda matsakaita zazzabi zai tashi kawai. Abin baƙin ciki, wannan shine ainihin abin da ke faruwa.
Menene illar dumamar yanayi?
Illolin dumamar yanayi suna da yawa kuma sun banbanta, daga cikinsu zamu samu:
- Dumi yanayin zafi
- Cutar ta bazu
- Intensearin guguwa mai ƙarfi
- Wavesarfin zafi mai ƙarfi
- Haushi
- Arshen dabbobi da tsire-tsire
- Matakan teku
- Guguwa mafi haɗari
Don ƙarin bayani, danna nan.