The conference will focus on tropical lakes (natural and man-made), including environmental change impacts: climate, water balance, hydrology, water management, geomorphology and soils, wetlands, catchment management, human impact, land use changes, land degradation, soil erosion, sediment budget, soil and water conservation, ecosystem services, aquatic ecology, hydropower, impact of lage dams, food production chain, waste (water) management. Jointly with the multiple stakeholders, the related issues will be discussed in the surroundings of Lake Tana basin.