Green Metropolis: What the City Can Teach the Country About True Sustainability is a book that challenges common perceptions about environmental sustainability. It emphasizes that urban areas, due to their density and efficiency, can be more environmentally friendly than rural or suburban regions. The author argues that cities have a smaller ecological footprint because they support more people and activities in a compact space, reducing resource consumption and transportation emissions. The book explores how urban living encourages sustainable practices such as public transportation, recycling, and energy efficiency. It highlights successful examples from various cities around the world, demonstrating that dense and well-planned urban environments can serve as models for sustainability. The author advocates for smarter city planning and policies to maximize these benefits and improve overall environmental impact. Overall, Green Metropolis advocates shifting focus from rural sustainability efforts to revitalizing and improving urban areas. It suggests that cities, when designed and managed effectively, hold the key to achieving true sustainability across societies. The book encourages a reevaluation of priorities, emphasizing the potential of cities to lead the way in creating more sustainable and livable communities.