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Rift Valley Energy established a 4-megawatt hydro-power station and a subsequent 2.4-megawatt wind farm to provide reliable electricity to businesses, households, and institutions in Tanzania's Mufindi district and surrounding regions, reducing dependence on an intermittent national grid.

The CARE-WWF Alliance piloted a Collective and Sustainable Investment (CSI) model in Tanzania's Southern Agricultural Growth Corridor, integrating collective and sustainable investment mechanisms into Village Savings and Loan Associations (VSLAs). The pilot involved 114 VSLA groups, resulting in 91 collective enterprises, 92% of which were nature-based. Key outcomes included a 102% increase in average household income—with female-headed households seeing a 157% increase—and significant improvements in water flow, with wet season flows increasing by 178% and dry season flows by 105%. While the model successfully shifted mindsets toward environmental responsibility and empowered women through land tenure and decision-making, it also triggered unintended intrahousehold conflicts and intergenerational tensions over riverbed cultivation. The report recommends streamlining the curriculum, expanding sustainability components for diverse ecosystems, and implementing loan monitoring systems to support preferential loan conditions, which were not adopted during the pilot.