Where are places where they have pollution problems with fishing boats?
…wether or not… smaller fishing boats do not have ballast systems that fill and later empty – these can suck up one or more species of unseen microbes and organisms that are released later at the new destination; also the normal discharge for the motors (oil, excess fuel) that move ships around can pollute the water and the air in dock; human crew also tend to throw lots of stuff overboard and currents tend to cluster it into common areas of the ocean; http://community.adn.com/node/127521 Fish farming done in ponds and rivers tend to have problems with all of the fish excrement (poop), but open ocean net systems are less of a problem with currents carrying it away In both cases, farmed and caught, the fresh fish need to be distributed to the end-user (grocery stores and restaurants) and you have the pollution from transportation that uses fossil fuels. Where malnutrition tends to weigh heavier on the mind, the solution is to encourage breakthroughs in making dry fish powder – this
