Overall Policy approach Wins Losses Assumption subjective assessment Adaptation Mitigation Development Adaptation Mitigation Development Malawi Water Increase water storage, medium and large reservoirs Flood management and Reduce CO2 Increase storage None Loss of Displacement Reservoir 2 with hydropower increased water storage if emissions from for irrigation, habitat/forests of people. construction levels of rainfall and hence hydropower, drinking purposes, and potential located on site runoff decrease with clean energy industrial growth. carbon containing climate change. source. Strengthen sequestration biodiversity and livelihood sink when human activities. reservoir area settlement. flooded. Rainwater harvesting Increase storage if None Increase water None None None Rainwater 3 rainfall patterns become storage for harvesting more variable, on the drinking, structures can seasonal and annual sanitation, be built with timeframes. agriculture and suitable Mitigate effects of other livelihood materials. Funds extreme weather events activities. to purchase such as short-intense material is periods of rainfall, through available when interception and decrease required. surface water runoff. Improve coverage and access of urban and rural Increase individual and None Improve health None None None Effective 3 domestic water supply community health and and well-being of implementation physical ability to deal with individuals and and potential temperature rise, communities. management. and changing stress on livelihood activities. Irrigation efficiency, improved drainage More efficient use of None Improve irrigation None None None Effective 3 for irrigation, adaptation if water use. implementation rainfall/flow reduces with Improve and climate change. livelihoods and management. financial returns. Current irrigation systems performing below adequate
Policy approach Wins Losses Assumption Overall subjective assessment Adaptation Mitigation Development Adaptation Mitigation Development Malawi Water Increase water storage, medium and large reservoirs with hydropower Flood management and increased water storage if levels of rainfall and hence runoff decrease with climate change. Reduce CO2 emissions from hydropower, clean energy source. Increase storage for irrigation, drinking purposes, industrial growth. Strengthen livelihood activities. None Loss of habitat/forests and potential carbon sequestration sink when reservoir area flooded. Displacement of people. Reservoir construction located on site containing biodiversity and human settlement. 2 Rainwater harvesting Increase storage if rainfall patterns become more variable, on the seasonal and annual timeframes. Mitigate effects of extreme weather events such as short-intense periods of rainfall, through interception and decrease surface water runoff. None Increase water storage for drinking, sanitation, agriculture and other livelihood activities. None None None Rainwater harvesting structures can be built with suitable materials. Funds to purchase material is available when required. 3 Improve coverage and access of urban and rural domestic water supply Increase individual and community health and physical ability to deal with potential temperature rise, and changing stress on livelihood activities. None Improve health and well-being of individuals and communities. None None None Effective implementation and management. 3 Irrigation efficiency, improved drainage More efficient use of for irrigation, adaptation if rainfall/flow reduces with climate change. None Improve irrigation water use. Improve livelihoods and financial returns. None None None Effective implementation and management. Current irrigation systems performing below adequate 3
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