For starters, the World Wildlife Fund (WWF) says the global fishing fleet is 2.5 times bigger than "what the oceans can sustainably support" - i.e. there are too many boats catching too many fish, and not giving fish stocks enough time to replenish them.
CNN: All about: Global fishing
2.
In short, position yourself in a profession where clients routinely hand over their money for big-ticket purchases (e.g. houses, boats, planes, etc.), or investment purposes.
FORBES: How to Steal a Lot of Money: Part II in a Series