Nature and EnvironmentWorld in Progress: Grading developmentTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and EnvironmentCarl Nasman, Anke Rasper07/30/2014July 30, 2014Grading the progress of human development worldwide - high tech birth control - e-waste recycling in Ghanahttps://p.dw.com/p/1CmRKAdvertisement