Green infrastructure options for improved waterway and catchment management

Potential climate/ disaster impacts addressed by approach & Justification for approach:

Climate change scenarios for the Western Cape predict changes in rainfall –increasing in autumn and decreasing in the winter and spring months–resulting in higher seasonal flooding risks and damages to urban infrastructure. Informal settlements in peri-urban and coastal areas are especially vulnerable as infrastructure is not prepared to withstand high impact weather events. Due to the increased risks, it is crucial to implement more robust and ecologically sustainable infrastructure adapted to the local context.

Process of Implementation:

The CFF provides cities with technical assistance to develop finance-ready low carbon and climate-resilient infrastructure projects. The project in Cape Town is one of the projects that is currently receiving support until 2024. It consists of a city-wide project for flood resilience and improved catchment management. The project focuses on three sub-catchments of the Diep Southern River, the Big and Little Lotus Rivers and the Elsieskraal River. The project’s overarching objective is to improve the conditions of public open spaces and river corridors through the rehabilitation of waterways, wetlands, and floodplains. Green infrastructure and nature-based solutions have high replication potential. By selecting the catchments according to criteria that ensure the project is replicable to other areas, the city will be able to shift its current focus away from grey infrastructure for river management to a more integrated and greener fusion of nature-based solutions and grey infrastructure.

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