Without the effective participation of developing Asia, a climate crisis is certain. Within developing Asia, the key to averting such a crisis lies in low carbon transport. China, India and Asia's other emerging economies could promote fuel efficient vehicles, public transport, and sustainable urban planning. Or they could become locked into inefficient vehicles, energy intensive infrastructure, and suburban sprawl. The path they choose will have long-term implications for the entire world. And it will depend upon the extent to which they adopt a co-benefit approach. A co-benefit approach...