Rubuta ci gaba ga wannan sakin layi - Wakilan jam'iyyun 197 ne suka yi shawarwarin yaren yarjejeniyar a taron 21 na Jam'iyyun UNFCCC
a Paris kuma an amince da shi ta hanyar yarjejeniya a ranar 12 ga Disamba, 2015. An buɗe yarjejeniyar don sanya hannu daga 22 ga Afrilu 2016 zuwa 21 ga Afrilu 2017 a hedkwatar Majalisar Dinkin Duniya da ke New York ga Jihohi da ƙungiyoyin haɗin gwiwar tattalin arziƙi na yanki waɗanda suka zama ɓangarorin UNFCCC (Yarjejeniyar). Yarjejeniyar ta bayyana cewa za ta fara aiki (kuma ta haka ta zama mai cikakken tasiri) kawai idan kasashe 55 da ke samar da aƙalla kashi 55% na iskar gas mai gurɓataccen yanayi a duniya (bisa ga jerin da aka samar a 2015) sun amince, sun karɓa, sun amince ko kuma sun shiga yarjejeniyar. A ranar 1 ga Afrilu 2016, Amurka da China, wadanda tare suke wakiltar kusan kashi 40% na fitar da hayaki a duniya, sun fitar da wata sanarwar hadin gwiwa da ke tabbatar da cewa kasashen biyu za su rattaba hannu kan yarjejeniyar sauyin yanayi ta Paris. Kasashe 175 (174 jihohi da Tarayyar Turai) sun sanya hannu kan yarjejeniyar a ranar farko da aka bude don sa hannu. A wannan rana, fiye da kasashe 20 sun ba da sanarwar niyyarsu ta shiga cikin sauri tare da ra'ayin shiga cikin 2016. Tare da amincewar Tarayyar Turai, yarjejeniyar ta sami isassun bangarorin da za su iya fara aiki daga 4 ga Nuwamba 2016.