The world is urbanizing rapidly. Currently, 600 cities account for 60 percent of the global economy; by 2025, it is predicted that the top 100 cities will account for 35 percent of the world's economy. Emerging trends in collaboration, the sharing economy, and innovation are opening up new opportunities for entrepreneurs in urban environments--"urbanpreneurs"--to participate in everything from tech startups in cities (instead of suburban tech parks) to makers and on-demand service providers to roles in civic entrepreneurship for those interested in solving the challenges that growing cities are facing. Readers of this book will understand how the converging trends of collaboration, democratization, and urbanization are rapidly attracting global innovators to cities capable of creating the enabling environment for aspiring innovators. The book discusses how entrepreneurs can best capitalize on the opportunities in urban settings, identifies what large and small cities can do to encourage more urbanpreneurship, and concludes with a consideration of the future of entrepreneurship in urban environments.