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This report identifies and delineates Strategic Water Source Areas (SWSAs) for surface water and groundwater across South Africa, Lesotho, and Swaziland. It defines SWSAs as areas providing disproportionate runoff or high groundwater recharge that are nationally important for water security. The study identifies 22 national surface water SWSAs (SWSA-sw) and 37 national groundwater SWSAs (SWSA-gw), analyzing their contribution to urban centers, agriculture, and industry, while assessing threats from land-cover change, mining, and invasive alien plants.

This research paper by Andreas Spiegel of Swiss Re argues for a balanced climate adaptation strategy that combines cost-effective risk prevention measures with risk transfer mechanisms, such as insurance. Using data from the Economics of Climate Adaptation (ECA) working group, the author demonstrates that a significant portion of climate-related losses can be averted through preventative action, while residual risks should be managed via public-private partnerships and innovative financial instruments to protect vulnerable economies, particularly in developing nations.