Ship pollution

Ship pollution is happen when the air or water polluted and it caused by ship..Ship is important transport that we used to sent some product to oversea.As the number of ships increase every year,the pollution that caused by ships is more serious and serious.this problem is very dangerous nowadays..Ships can pollute the waterways and oceans in many ways. For instance, spills from oil tankers and chemical tankers, and ejection of sulfur dioxide, nitrogen dioxide and carbon dioxide gases into the atmosphere from exhaust fumes. Discharge of cargo residues from bulk carriers can pollute ports, waterways and oceans. Ships create noise pollution that disturbs natural wildlife, and water from ballast tanks can spread harmful algae and other invasive species. In many instances vessels due to a variety of reasons intentionally discharge illegal wastes despite foreign and domestic regulation prohibiting such actions.Exhaust emissions from ships are considered to be a significant source of air pollution.In Europe ships make up a large percentage of the sulfur introduced to the air..
for more information,you can search http://en.wikipedia.org/wiki/Ship_pollution