Vanuatu

Climate change deniers claim volcanoes produce more greenhouse gases than fossil fuels do. George investigates this claim while revisiting the active volcano of Marum in Vanuatu. He dons a fire-suit and descends 1200 feet into the fiery crater of one of the world's most active volcanoes  Joined by Danish geologist Sara Hoffritz, he visits a local village before heading to the summit where heavy winds and acid rain delay their five-day expedition.