Smithsonian: There are a lot of reasons people move:for work, for love, for the draw of the big city or the quiet of nature. But as the world continues to warm, it's expected that global climate change will become another factor driving people to move:to dodge coastal erosion and sea level rise, to follow changes in rainfall, to avoid strengthening storms. Climate change is already inducing marine animals to migrate, and according to a new study published in the journal Nature Climate Change, it's starting to...