NOVA: Volcano Above the Clouds captures an expedition to the summit of Mount Kilimanjaro. Originally formed by volcanic eruptions thousands of years ago, the mountain shows evidence of another such explosion. NOVA follows the expedition of naturalists Robin Buxton and Michael Ngatolowa along with geologists Volker Lorenz and Kevin Docherty. The team struggles up to the glacier-topped summit in order to investigate the future of the world's tallest volcano. Volcano Above the Clouds Originally aired on PBS in November 2003.