Cities are key to our planet's future. Over half of us now live in cities and an estimated 70 percent of the world's total population will be urban by 2050 -- over six billion people. Will tomorrow's cities continue to waste land, squander resources and contaminate water and air in an escalation of our centuries-old war on the Earth? Or will we build and rebuild cities that return us to a balance with nature in ways that are mutually beneficial to people and our fellow creatures? Europe's greenest places offer hope for a positive outcome. The 19 cities profiled in this book are reintroducing...