Nature and EnvironmentEco volunteer: Ursula Wittekind in TanzaniaTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment07/07/2017July 7, 2017Ursula Wittekind didn’t come to Zanzibar for a holiday. She’s interested in environmental protection and renewable energies and chose to volunteer for an organization promoting renewable energies.https://p.dw.com/p/2g6hgAdvertisement