paolo faciulli is a campaigner for sustainable fishing methods.ants to educate people who scarcely think twice about where their fish come from. global 3000 followed him out to sea. >> a sleepy little fishing village on italy's west coast. paolo fanciulli looks like an ordinary fisherman -- but impressions can be deceiving. he hauls in fish -- and people, too. he's taking these tourists out on his fishing boat, the sirena, and telling them about the fish in this part of the mediterranean. the lesson begins as soon as they enter the fishing grounds. paolo only uses gillnets. the mesh of these nets is large enough that baby fish can't get caught in them. years ago paolo noticed that his catch was getting ever smaller. and he realized that fish are not a limitless resource. >> tourists come in the summer and only see the beautiful side of the sea. but the sea has a problem. in our consumer culture, 90% of the products we use wind up in the sea -- solvents and detergents harm not only the environment but people, too. they develop more and more allergi