I wanted to tack on here that even our agriculture has a huge environmental impact — nothing worse for biodiversity than how we’ve replaced animal habitats with fields of a single crop! And then pesticides etc.

I don’t know if it ever happen, but we really should support capture fisheries, fish farms, and captured game.

Properly Managed Captured Fisheries (Mostly more prosperous nations have well managed fisheries, outstanding fisheries would be in Alaska & New Zealand) allow us to extract protien we all need without destroying ecosystems. Same goes for captured game but that scales significantly worse.

Fish farms are in a unique position because unlike farming animals on land, it can be done without radically changing the part of the ocean the fish are farmed in.

I think recently there have been some problems with fish farms and antibiotic / illness spreading but I really think these can be overcome and that long term aquaculture would be the most environmentally conscious option. (In a similar position to electric cars today).