Greenpeace activists on Thursday unveiled a model of Noah's Ark on Mount Ararat - the site where the original Biblical Ark is said to have landed after the great flood - in an appeal to world leaders to take immediate action against climate change. The wooden ship was built by volunteer carpenters from Turkey and Germany on top of the mountain in eastern Turkey, bordering Iran, to urge leaders to deal with global warming. The activists held up banners in several languages that read: "Save the climate now" and released more than 200 pigeons that they said would symbolically convey that message to world leaders. "If world leaders are unwilling or unable to protect their citizens against the massive floods, droughts, food crises and mass displacements which scientists predict, their leadership becomes meaningless," said Greenpeace campaigner Hilal Atici. "It's not too late for humanity to prevent the worst natural catastrophe ever," she added.