a population of 969 million citizens . International efforts also include the United Nations Framework Convention on Climate Change  Non-State Actor Zone for Climate Action . There is also a proliferation of new non-governmental and public-private actors that address both adaptation and mitigation in cities and settlements, including: the C40 Cities Climate Leadership Group, 100 Resilient Cities; the Global Resilient Cities Network, We Mean Business, and We Are Still In  and the Global Alliance for Buildings and Construction . However, there is as yet limited research into the effectiveness of these initiatives in enhancing medium and small city adaptation and limited documentation of climate adaptation actions by non-traditional agents, particularly in the Global South .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report