> Would be nice to be able to replace off-shore oil rigs with off-shore fishing farms that sell the produce directly to retail markets. Might even be able to ru

> Would be nice to be able to replace off-shore oil rigs with off-shore fishing farms that sell the produce directly to retail markets. Might even be able to run aquatic "farm to table" restaurants! There's definitely at least an order magnitude more offshore aquaculture farms than there are oil-rigs currently.