The capital of the United Kingdom, London is a leading business, political, and cultural center, as well as one of the world's four major cities (along with New York City, Tokyo, and Paris). London is the most ethnically diverse in Europe, with more than 300 languages spoken within its boundaries. A third of its area is green space, so residents are never far from a park. To meet the challenges of the future, the mayor's office has initiated the ""London Plan,"" with the goal of making the metropolis ""an exemplary, sustainable world city."" This engaging geography book, packed with full-color photographs, interviews with locals, and fact-filled study features, is an ideal introduction to the issues facing this historic city.