Nature and EnvironmentEco-at-Africa — The Environment MagazineTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment11/09/2017November 9, 2017On this week's eco@africa, we see how climate change can promote democracy, find a good use for coffee grounds and visit an architect who is reviving an ancient African construction technique. All this and more!https://p.dw.com/p/2nN6zAdvertisement