Ƙasashe da yawa suna ƙoƙarin kiyayewa da haɓaka yanayin muhalli: rage hayakin carbon cikin yanayi, sake yin amfani da su, hanyoyin samar da makamashi mai sabuntawa, samfuran da ba su dace da muhalli, tuƙi motoci masu haɗaka ba. Kasashe suna matsayi a kowace shekara (EPI), hanya ce da ke tantance tasirin manufofin muhalli na kasashe fiye da 163 wajen yaki da sauyin yanayi da inganta kiyaye muhalli.
Don haka, ƙasashe bakwai da suka fi dacewa da muhalli a duniya sun haɗa da:
7) Faransa
Kasar na yin kyakkyawan aiki na kiyaye muhalli ta hanyoyin samar da makamashi mai sabuntawa. Faransa tana da ban sha'awa musamman don amfani da man fetur mai ɗorewa, noman kwayoyin halitta da makamashin hasken rana. Gwamnatin Faransa na karfafa yin amfani da na biyun ta hanyar rage haraji ga wadanda ke amfani da na'urorin hasken rana wajen sarrafa gidajensu. Ƙasar tana haɓaka filin gina gidaje na bambaro cikin hanzari (hanyar gina gine-ginen gine-gine daga ginin gine-ginen da aka yi da bambaro).
6) Mauritius
Ƙasar Afirka daya tilo da ke da babban maƙiyin Eco-Performance Index. Gwamnatin kasar na karfafa yin amfani da kayayyakin muhalli da sake amfani da su. Kasar Mauritius ta kasance mai dogaro da kanta wajen samar da wutar lantarki.
5) Norway
Fuska da "la'a'i" na dumamar yanayi, Norway an tilastawa ta dauki mataki mai sauri don kiyaye muhalli. Kafin gabatar da makamashin "kore", Norway ya fi shafar sakamakon dumamar yanayi saboda gaskiyar cewa yankin arewacinta yana kusa da Arctic mai narkewa.
4) Sweden
Ƙasar ita ce ta farko idan aka zo batun kiyaye muhalli tare da samfurori masu ɗorewa. Baya ga yin amfani da koren kayayyakin, kasar ta yi fice a kididdigar da ta nuna godiya ga yawan al'ummarta, wanda ke kan hanyarta na kawar da albarkatun mai nan da shekara ta 2020. Kasar Sweden kuma ta shahara wajen kare dazuzzukan ta na musamman. Ana gabatar da dumama a cikin ƙasa - biofuel, wanda aka yi daga sharar itace kuma baya cutar da muhalli. Lokacin kona pellets, ana fitar da zafi sau 3 fiye da lokacin amfani da itacen wuta. Ana fitar da Carbon dioxide a cikin ƙaramin adadin, kuma sauran toka za a iya amfani da su a matsayin taki don noman daji.
3) Costa Rica
Wani cikakken misali na ƙaramar ƙasa tana yin manyan abubuwa. Costa Rica ta Latin Amurka ta sami ci gaba sosai wajen aiwatar da manufofin muhalli. A mafi yawancin lokuta, ƙasar tana amfani da makamashin da aka samu daga hanyoyin da ake sabunta su don tabbatar da aiki. Ba da dadewa ba, gwamnatin Costa Rica ta kafa burin zama tsaka-tsakin carbon nan da shekarar 2021. Ana yin gagarumin aikin dazuzzuka tare da dasa bishiyoyi sama da miliyan 5 a cikin shekaru 3-5 da suka wuce. Sararin dazuzzukan ya zama tarihi, kuma gwamnati na tsaurara matakai kan wannan batu.
2) Switzerland
Ƙasar "kore" ta biyu na duniya, wanda a baya ya kasance na farko. Gwamnati da jama'a sun yi gagarumin ci gaba wajen gina al'umma mai dorewa. Bugu da ƙari, makamashi mai sabuntawa da samfurori masu dacewa da muhalli, tunanin jama'a game da mahimmancin muhalli mai tsabta. An hana motoci a wasu garuruwan, yayin da kekuna suka fi dacewa da zirga-zirga a wasu.
1) Iceland
A yau Iceland ita ce ƙasar da ta fi dacewa da muhalli a duniya. Tare da yanayinsa mai ban sha'awa, mutanen Iceland sun sami ci gaba sosai wajen aiwatar da makamashin kore. Misali, ana amfani da shi sosai don samar da wutar lantarki. Ana rufe buƙatun dumama ta amfani da hydrogen. Babban tushen makamashin kasar shine makamashin da ake iya sabuntawa (geothermal da hydrogen), wanda ya kai sama da kashi 82% na dukkan makamashin da ake amfani da su. Lallai ƙasar tana yin ƙoƙari sosai don zama kore 100%. Manufar ƙasar tana ƙarfafa sake yin amfani da su, tsabtace mai, samfuran muhalli, da ƙarancin tuƙi.