"Oceanasphere" Fish Farm

Hawaii Oceanic Technology has developed the Oceanasphere, a 162-foot diameter fish farm that runs on OTEC to generate clean energy for its seafood harvesting.

Mankind was able to make a fundamental leap when it ended relying strictly on hunting-and-gathering methods for finding food and land and instead developed agriculture. A cultivated square mile of land is able to support far more people than the same square mile used for only hunting and gathering.

However, we still have a hunter-and-gatherer mentality when it comes to the food resources of the ocean. Every day ships with nets trawl the waters, hunting schools and gathering them up for consumption. Traditional fish farms have had limited success due to a necessary proximity to shorelines which prohibit the raising of certain kinds of fish and crustaceans.

Floating islands, however, can be planted where the harvesting is best. With OTEC and other alternative energy sources, they can be self-sufficient and even profitable, selling home-grown fish to nearby population centers that have fished out their natural supplies.