DW's Eco Africa showcases innovative concepts and best practice projects from Africa and Europe and presents environment and climate change ideas that inspire others to get on board or start something of their own.
https://www.dw.com?maca=en-podcast_en_environment_magazine-21495-xml-mrss
A concrete solar solution
Solar panels on roofs are commonplace, but can the sunlight that hits building facades be used to generate power? Researchers at the University of Kassel say "yes".