11:10Primary GeographyWorld Environmental ChangesWorld Environmental Changes: CitiesBBC Two Duration: 20 minutes Thu 5th Jun 2008, 11:10 on BBC Two Northern IrelandProgrammes exploring the way in which human beings around the world shape and influence the environments in which they live: Berlin and Sao Paulo.GenresLearningPrimaryBrandPrimary GeographySeriesPrimary Geography: World Environmental Changes Source: BBC Online