Slum upgrading is climate action experience and insights from the global south

Cities face a dual challenge of catering to rapidly growing populations while managing intensifying climate risks and rising greenhouse gas emissions. Unplanned urbanization, coupled with climate change, poses complex risks, especially for people who are already grappling with poverty, unemployment, and inadequate housing and service. In this context, cities hold immense potential to change the course of development. Accordingly, the Intergovernmental Panel on Climate Change (IPCC) has argued for a focus on urban transformations, highlighting that informal settlements are vital for understanding the delivery of these transformations.
Community-led and co-produced solutions are integral to building resilience in cities. Urban poor residents are especially vulnerable to climate change because they are forced to live in at-risk settlements that lack access to adequate and affordable housing, infrastructure, and services, characterised by political and institutional marginalisation. By addressing the underlying drivers of risk, climate-responsive upgrading provides opportunities to improve living conditions, whilst reducing exposure and vulnerability to climate hazards.7 It is also clear that action taken to address climate change without due consideration for the needs of these communities can fail to address – or even exacerbate – deeper structural
issues contributing to informality and vulnerability.

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