Canjin yanayi yana da tasirin rashin daidaituwa akan mutane masu nakasa, kai tsaye da kuma kai tsaye. Mutanen da ke da nakasa suna iya fuskantar babban tasirin sauyin yanayi akan mutane idan aka kwatanta da wadanda ba su da nakasa. Duk da wannan, kuma duk da cewa nakasassu sun fi sama da 15% na yawan mutanen duniya, amma sun sami ƙarancin ƙima da saka hannu cikin tsarin yanke shawara game da martani game da canjin yanayi. Yawanci, nakasassu sun kasance mafi akasarin cutarwa ta kowane nau'i na gaggawa, walau gaggawa ta gaggawa kamar ambaliyar ruwa ko mahaukaciyar guguwa ko kuma gaggawa a hankali kamar tashin tekun, saboda rashin damar samun kayan agajin gaggawa da matsalolin sanya shi ta iyakance motsi. Nakasassu sauyin yanayi ya fi shafar nakasassu saboda adadi mara kyau na nakasassu suna rayuwa cikin talauci, kuma mutanen da ke rayuwa cikin talauci sun fi zama cikin hadari saboda canjin yanayi.. Karuwar kasadar nakasassu dangane da canjin yanayi ba a yarda da ita ba. Misali, Manufar Millennium Development Goals bai ambaci alaƙar da ke tsakanin nakasa da canjin yanayi ba.