Hydropower damages river systems in Africa: how more solar and wind power can solve this problem

Hydropower damages river systems in Africa: how more solar and wind power can solve this problem

By Angelo Carlino, Carnegie Science; Andrea Castelletti, Polytechnic University of Milan, and Rafael Schmitt, Stanford University Across the African continent, more than 300 new hydropower projects are planned to meet the growing demand for electricity. Some of these will require big dams, which can have major negative environmental impacts. Another looming problem with hydropower is that the water cycle is affected by climate change. Water […]

June 7, 2024 28

Africa

Tanzania’s dams: flood risk depends on how they’re planned and operated

By Barnaby Joseph Dye, University of York The Rufiji River, which drains into Tanzania’s south-east coast, experienced a major wave of flooding in April 2024. The flooding caused tragic loss of life and affected at least 88,000 individuals. More than 28,000 hectares of crops were damaged. There has been much debate in Tanzania on the causes of this disaster, particularly the presumed role of the new […]

May 30, 2024 26

Environment

76% of Africa’s energy could come from renewable sources by 2040: here’s how

By Christiane Zarfl, University of Tübingen and Rebecca Peters, University of Tübingen Over half of Africa’s people – about 600 million – lack access to even the bare minimum of electricity. The tough question to answer is how access can be extended without adding to global warming by relying on fossil fuels. We – a team from Rwanda and Germany who work in the field of renewable […]

March 19, 2024 45