happy city 7 Essentials of Sustainable Cities (with Examples from the Philippines) 4 years ago These 7 qualities are essential for sustainable cities. 3 Ways How Safe Land Transportation Promotes Sustainable Cities 5 years ago Moving people and goods through effective, humane and timely modes is essential for sustainable urban development. Urban Planning Book: “Happy City” 7 years ago I list four themes from the book "Happy City" by Charles Montgomery.