The purpose of this document it is to help better understand how climate change impacts on cities and urban centres, with particular emphasis on urban slums, and how best UN-HABITAT can shape its activities at global and country levels, drawing on its comparative advantages, especially in the focus area of its Medium Term Strategic and Institutional Plan, the “One UN” approach to climate change action and the Governing Council resolution GC22/3 on Cities and Climate Change and utilizing its experience gained in promoting the Cities and Climate Change agenda.