Resulting in a global agreement, COP21 was an important step towards limiting the impacts of climate change. However, as The Dirt writes, it was only a starting point. Transportation accounts for the second largest share of energy-related emissions and presents a major opportunity for improvement. Disruption to car-oriented planning, particularly in secondary cities, would have a major impact on CO2 emissions and can also be a major employment driver, as demonstrated in Copenhagen and Brazilian cities. Urban mobility – a catalyst for greener, more successful cities.