The document discusses several themes related to urbanization and sustainability including globalization, urbanization, centers of agglomeration and sprawl, new inequalities, and crises from globalization in reverse. It also covers topics like the increasing global temperatures, challenges of urbanization and sprawl, sustainability in cities like Vancouver through practices like green building and smart growth, and strategies used in cities like Stockholm, Curitiba, and Hammarby-sjostad to pursue clean energy, clean water, zero waste and become "eco-towns".