Book excerpt: The most comprehensive and richest study undertaken so far of the factors and conditions that will determine the scope and range of shipping and shipping activities in Arctic waters now and in the future. Furthermore, it is the first study comparing the three Arctic transportation corridors, covering a variety of interacting and interdependent factors such as: - geopolitics, military affairs, global warming, sea ice melting, international economic trends, resources, competing modes of transportation, environmental challenges, logistics, ocean law and regulations, corporate governance, jurisdictional matters and rights of indigenous peoples, arctic cruise tourism and marine insurance.