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Climate change is a geopolitical problem, impacting all countries and requiring global action.

This lecture examines the circumstances surrounding the abduction of Kallihirua, a member of the Inughuit community of Northern Greenland who was visited by the crew of the Assistance during the 1850–51 Franklin Search Expedition. 

Space and time on Earth are regulated by the prime (Greenwich) meridian, 0'. Before the 1880s more than 25 prime meridians were in use, resulting in problems of global measurement that engaged geographers, astronomers and navigators.

An eye-opening tour of a hidden world: wannabe and might-have-been countries that, lacking diplomatic recognition or UN membership, inhabit a realm of shifting borders, idealistic leaders and forgotten peoples.