Nature and EnvironmentGeneration ChangeTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and EnvironmentGelzis Gederts, Riga, Latvia08/12/2014August 12, 2014Environmentalist Uldis Mors organizes group expeditions along Latvia's Baltic Sea coastline. He hopes to raise awareness about the level of pollution in the sea, and persuade the public that his local marine ecosystem is worth protecting.https://p.dw.com/p/1Ct7VAdvertisement