Tourism, political instability and urban development threaten some of our greatest natural and cultural history - do your bit for...

Tourism Also Threatened Terrorism has also hurt tourism, the nation's third-largest source of foreign exchange behind fishing and mining.

Also known as "Tourism of Doom," or "Last Chance Tourism" this emerging trend involves traveling to places that are environmentally or otherwise threatened (such as the ice caps of Mount Kilimanjaro, the melting glaciers of Patagonia, or the coral of the Great Barrier Reef) before it is too late.