Laurence Smith, professor of geography and climate change at UCLA, explains in a fascinating new book The World in 2050 how not all parts of the world will necessarily suffer from rising global temperatures. Here Smith talks about how the contraction of Arctic sea ice is opening up new trade routes, promoting immigration in countries like Canada, and leading to the rise of new economic hubs in Scandinavia. Learn how the discovery of oil in Greenland will fuel its independence, eventually making it the fourth member of a future North American Union!