As the Paris climate change agreement was being put together, debated, and finalized in December 2015, it was becoming increasingly clear that cities would be an important, if not essential, factor in whether nations could meet their greenhouse gas reduction targets. And for most countries, increasing — and greening — public transport services are an integral part of cities’ plans. That thinking was no different in the U.S., as cities and states began preparing their plans to meet targets agreed to in Paris by the American delegation.
