The National Resource Defense Council (NRDC): http://www.nrdc.org/international/china-controlling-port-air-emissions.asp http://www.nrdc.org/international/chin

The National Resource Defense Council (NRDC): http://www.nrdc.org/international/china-controlling-port-air-emissions.asp http://www.nrdc.org/international/china-controlling-port-air... NRDC info graphic: http://www.nrdc.org/international/files/china-controlling-port-air-emissions-info.pdf http://www.nrdc.org/international/files/china-controlling-po... Industry Tap: http://www.industrytap.com/worlds-15-biggest-ships-create-more-pollution-than-all-the-cars-in-the-world/8182 http://www.industrytap.com/worlds-15-biggest-ships-create-mo... The Guardian: http://www.theguardian.com/environment/2009/apr/09/shipping-pollution http://www.theguardian.com/environment/2009/apr/09/shipping-...