Nutrition impacts will not be experienced uniformly within countries . In Alaska and Canada, IK has documented how climate change has already impacted locally harvested foods and challenged nutrition security . For First Nations coastal communities in western Canada, decreased access to traditionally harvested seafood is projected to reduce nutritional status by 2050 , with higher nutritional impacts for men and older adults . Substitution of seafood with non-traditional foods  would not replace the projected nutrients lost , challenging assumptions that market food substitutions could be effective adaptation strategies for Indigenous Peoples
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report