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
Fixing our concrete problems
After water, concrete is the substance most widely consumed by humans. This ubiquitous substance is highly polluting but a German firm has developed a way of recycling old concrete.