Ninety percent of goods are transported around the world by ship. Los Angeles has two ports. The ports of Los Angeles and the port of Long Beach. Together they are the largest port in the western hemisphere. Ports are a big point source of pollution. Manufacturing is increasing in the US and both Democrats and Republicans want exports to double. Tony Haymet is looking at the efficiency of the entire chain in moving big boxes: the fuel burnt by ships, their life span and exhaust gases, how containers are moved on the ground, be it by road or rail.