Interesting to read that commercial ships and freighters harm the environment more than automobiles and factories, so when people complain about the harmful effects of driving your gas guzzler just tell then this.
http://www.media24by7.com/such-an-incredibly-badass-launch-of-a-huge-ship/
http://www.media24by7.com/such-an-incredibly-badass-launch-of-a-huge-ship/