Canjin yanayi a Ghana zai yi tasiri sosai ga kasar. Saboda yana zaune a mahaɗar yankuna uku na ruwan-yanayi, ana tsammanin yanayin Gana zai zama mai canzawa sosai. Dangane da lura da sauyin yanayi na shekaru 20, ana hasashen cewa masara da sauran kayan amfanin gona zasu rage da kashi 7% nan da 2050. Bayanan da yake akwai alamu kuma sun nuna hauhawar mizanin tekun na 2.1mm a kowace shekara a cikin shekaru 30 da suka gabata, wanda ke nuna hauhawar 5.8 cm, 16.5 cm da 34.5 cm kafin 2020, 2050 da 2080. Canje-canjen ruwan sama, da wasu mawuyacin yanayi, tashin teku, da gishirin ruwan gabar teku ana tsammanin zai shafi tasirin abinci, a bangaren noma da kamun kifi. Tattalin arzikin kasa yana fuskantar wahala daga tasirin canjin yanayi saboda ya dogara da fannoni masu saurin sauyin yanayi kamar noma, makamashi, gandun daji, da sauransu. Haka kuma, ana sa ran samun ruwa mai tsafta zai haifar da kalubale ga duka tsabtace ruwa, da kuma samar da wutar lantarki wanda ke samar da kashi 54% na karfin wutar lantarkin kasar.