Primary GeographyWorld Environmental ChangesWorld Environmental Changes: Somerset LevelsBBC Two Duration: 20 minutesFirst broadcast: Thu 26th Apr 2007, 11:50 on BBC Two Northern IrelandLatest broadcast: Mon 8th Oct 2007, 13:35 on CBBC ChannelSeries of programmes exploring the way in which human beings shape and influence the environments in which they live.GenresLearningPrimaryBrandPrimary GeographySeriesPrimary Geography: World Environmental Changes Source: BBC Online