Nature and EnvironmentThis Week’s Viewer QuestionTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment02/09/2015February 9, 2015Yonathan Girma from Addis Ababa in Ethiopia wants to know: "How can we get rid of the greenhouse gas carbon dioxide?”https://p.dw.com/p/1EXQQAdvertisement