Kungiyar gwamnatoci a kan Canjin Yanayi (I.P.C.C) ƙungiya ce ta gwamnatocin Majalisar Dinkin Duniya wanda aka keɓe don samar wa duniya da haƙiƙanin, bayanan kimiyya masu dacewa don fahimtar tushen kimiyya na haɗarin ɗan adam canjin yanayi, tasirinsa na dabi'a, siyasa, da tattalin arziki da kasada, da yiwuwar hanyoyin amsawa. IPCC an kafa ta ne a 1988 ta Hukumar Kula da Yanayi ta Duniya (WMO) da Hukumar Kula da Muhalli ta Majalisar Dinkin Duniya (UNEP) kuma daga baya Majalisar Dinkin Duniya ta amince da shi. Mamba a bude yake ga dukkan mambobi na WMO da UN. IPCC tana samar da rahotanni wadanda ke taimakawa aikin Majalisar Dinkin Duniya kan Yarjejeniyar Canjin Yanayi (UNFCCC), babbar yarjejeniyar kasa da kasa kan canjin yanayi. Manufar UNFCCC ita ce "daidaita abubuwan da ke cikin iskar gas a sararin samaniya a matakin da zai hana tsangwama na yanayin halittar mutum (mai saurin haifar da mutum) da tsarin yanayi". Rahoton bincike na biyar na IPCC ya kasance muhimmiyar shigar da kimiyya cikin yarjejeniyar Paris ta UNFCCC a cikin 2015.