Smart government policy, not just new technology, is required to address climate change. The Metrobus system in Mexico City is a good example of a low-tech solution that significantly reduces emissions.

Overview of the Bus Rapid Transit system in Mexico City, known as Metrobus.

Description of the launch of the Bus Rapid Transit (BRT) system's launch in Mexico City. The new service uses 90 articulated buses to improve traffic flows down 20km of Insurgentes boulevard.