This document discusses potential policies and programs to promote happiness through increased exercise and time spent outdoors. It recommends (1) creating bike-friendly cities through bike rentals, bike lanes, and public transportation integration; (2) increasing urban green spaces through tree planting programs and guidelines; and (3) encouraging street vendors to make cities more walkable and social. Resources are provided on model bike-friendly and urban forestry programs as well as studies on street vendor regulation. The document advocates embracing exercise and active transportation in everyday life to improve happiness.