Your commute to work, the family gathering, the food on your table, and the goods you buy ¨C all rely on transport and our lives are unthinkable without it. But transport also represents a growing threat to our planet. Buses, cars, planes, ships, and trucks burn fossil fuels, and this causes climate change. Find out how cities like Dar es Salaam, Dakar, Lima, Cairo, and S?o Paulo are turning to urban transit systems such as Bus Rapid Transit and metro to move people quickly while reducing emissions.