Masana kimiyya don Future Austria
ta Renate Kristi
Kafin taron sauyin yanayi a Sharm El Sheikh, an buga muhimman rahotanni daga kungiyoyin Majalisar Dinkin Duniya a cikin 'yan kwanakin da suka gabata, kamar yadda aka yi a shekarun baya. Ana fatan za a yi la'akari da hakan a tattaunawar.
Rahoton UNEP EMISSIONS GAP 2022
Rahoton Tazarar Hatsari na Shirin Muhalli na Majalisar Ɗinkin Duniya (UNEP) yayi nazarin tasirin matakan da ake ɗauka a halin yanzu da kuma gudummawar da ake da su na ƙasa (National Determined Contributions, NDC) da kuma gabatar da su ga rage fitar da iskar gas (GHG) wanda ya zama dole don cimma 1,5° C ko 2°C manufa wajibi ne, akasin haka. Rahoton ya kuma yi nazari kan matakan da suka dace a sassa daban-daban da suka dace don rufe wannan "girgi".
Mahimman bayanai masu mahimmanci sune kamar haka:
- Sai kawai tare da matakan yanzu, ba tare da yin la'akari da NDC ba, ana sa ran fitar da GHG na 2030 GtCO58e a cikin 2 da kuma zafi na 2,8 ° C a karshen karni.
- Idan an aiwatar da duk NDCs mara sharadi, ana iya sa ran dumama 2,6°C. Ta hanyar aiwatar da duk NDCs, waɗanda ke da alaƙa da yanayi kamar taimakon kuɗi, za a iya rage yawan zafin jiki zuwa 2,4°C.
- Domin iyakance dumamar yanayi zuwa 1,5°C ko 2°C, hayakin da ake fitarwa a shekarar 2030 zai iya kaiwa 33 GtCO2e ko 41 GtCO2e kawai. Koyaya, fitar da hayaki daga NDC na yanzu shine 23 GtCO2e ko 15 GtCO2e mafi girma. Dole ne a rufe wannan tazarar hayaki da ƙarin matakan. Idan an aiwatar da NDCs na sharadi, tazarar fitar da ruwa ta ragu da 3 GtCO2e kowanne.
- Darajar sun ɗan yi ƙasa kaɗan fiye da rahotannin da suka gabata yayin da ƙasashe da yawa suka fara aiwatar da matakan. Haɓaka hayaƙin shekara-shekara a duniya shima ya ragu kaɗan kuma yanzu shine 1,1% a kowace shekara.
- A Glasgow an nemi dukkan jihohin su gabatar da ingantattun NDCs. Koyaya, waɗannan kawai suna haifar da ƙarin annabta raguwar hayaƙin GHG a cikin 2030 na 0,5 GtCO2e ko ƙasa da 1%, watau kawai ga raguwar ƙarancin hayaki.
- Watakila kasashen G20 ba za su kai ga matakin da suka sanya kansu ba, wanda hakan zai kara tabarbarewar hayaki da kuma hauhawar yanayin zafi.
- Kasashe da yawa sun ƙaddamar da maƙasudin sifili. Duk da haka, ba tare da maƙasudin rage maƙasudin ɗan gajeren lokaci ba, ba za a iya tantance tasirin irin waɗannan maƙasudin ba kuma ba su da tabbas sosai.
Rahoton, saƙon maɓalli da sanarwar manema labarai
https://www.unep.org/resources/emissions-gap-report-2022
Rahoton UNFCCC SYNTHESIS
Jihohin da ke da kwangilar ne suka ba wa sakatariyar sauyin yanayi aiki don nazarin tasirin NDC da aka gabatar da kuma tsare-tsare na dogon lokaci. Rahoton ya zo daidai da matsaya kamar rahoton tazarar hayaki na UNEP.
- Idan an aiwatar da duk NDCs da ake da su, ɗumamar za ta kasance 2,5 ° C a ƙarshen karni.
- Jihohi 24 ne kawai suka ƙaddamar da ingantattun NDCs bayan Glasgow, ba tare da ɗan tasiri ba.
- Kasashe 62, masu wakiltar kashi 83% na hayakin da ake fitarwa a duniya, suna da makasudin sifili na dogon lokaci, amma galibi ba tare da wasu tsare-tsaren aiwatarwa ba. A gefe guda, wannan sigina ce mai kyau, amma tana ɗaukar haɗarin cewa za a dage matakan da ake buƙata cikin gaggawa har zuwa nan gaba mai nisa.
- Nan da shekarar 2030, ana sa ran fitar da iskar GHG zai karu da kashi 10,6 cikin dari idan aka kwatanta da na 2010. Ba a tsammanin ƙarin karuwa bayan 2030. Wannan ci gaba ne akan lissafin da ya gabata wanda ya nemi haɓaka 13,7% zuwa 2030 da bayan haka.
- Wannan har yanzu yana da bambanci da raguwar GHG da ake buƙata don cimma burin 1,5°C na 45% ta 2030 idan aka kwatanta da 2010, da 43% idan aka kwatanta da 2019.
Bayanin latsawa da ƙarin hanyoyin haɗi zuwa rahotannin
https://unfccc.int/news/climate-plans-remain-insufficient-more-ambitious-action-needed-now
KUNGIYAR DUNIYA METOROLOGICAL WMO LABARI
Jaridar Greenhouse Gas Bulletin ta kwanan nan ta ce:
- Daga 2020 zuwa 2021, karuwa a cikin taro na CO2 ya fi matsakaicin shekaru goma da suka gabata kuma taro yana ci gaba da hauhawa.
- Halin yanayi na CO2 ya kasance 2021 ppm a cikin 415,7, 149% sama da matakan masana'antu kafin masana'antu.
- A cikin 2021, an sami ƙaruwa mafi ƙarfi a cikin ƙwayar methane a cikin shekaru 40.
Za a gabatar da rahoton shekara kan yanayin yanayin duniya a birnin Sharm El Sheikh. An riga an gabatar da wasu bayanai a gaba:
- Shekaru 2015-2021 sune shekaru 7 mafi zafi a tarihin ma'auni
- Matsakaicin zafin jiki na duniya ya fi 1,1°C sama da matakin masana'antu kafin masana'antu na 1850-1900.
Latsa sanarwa da ƙarin hanyoyin haɗin gwiwa
Hoton murfin: Pixsource a kan Pixabay
Wannan Zauren Al'umma ne ya kirkiresu. Shiga ciki ka tura sakon ka!
A KASAR KYAUTA ZUWA YANKIN AURE
