Hmm, there was this article in time magazine a few years back talking about sustainable aqua farming. They were raising baramundi indoors, from hatching up to harvesting. Pero tingin ko katakut takot na investment yan.
It also presented a setup wherein fish were raised side by side with shellfish and plants. The idea is that the shellfish would eat leftover feeds, and the plants would absorb the other wastes. Bale walang pollution. But i think theoretical/proof of concept stage pa lang yun.




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