One PlanetOne PlanetEpisode 1BBC World Service Duration: 26 minutesFirst broadcast: Thu 29th May 2008, 10:32 on BBC World Service OnlineLatest broadcast: Sun 1st Jun 2008, 04:32 on BBC World Service OnlineKevin Mwachiro explores Rwanda's plans to harness methane oozing from earth's crust below Lake Kivu for electricity production.GenresFactualScience & NatureFormatsDocumentariesBrandOne PlanetSeriesOne Planet: One Planet Source: BBC Online