A vivid forecast of our planet in the year 2050 by a rising star in geoscience, distilling cutting-edge research into four global forces: demographic trends, natural resource demand, climate change, and globalization. The world's population is exploding, wild species are vanishing, our environment is degrading, and the costs of resources from oil to water are going nowhere but up. So what kind of world are we leaving for our children and grandchildren?...