Wild fish are under threat of extinction because they're hunted to feed us. Yet land animals that we farm are under no threat of extinction. Shifting from hunting fish to farming fish - where the farmers have the incentive to keep their stocks healthy - could do a tremendous amount of good for wild fish.
The world has a very serious problem, my friend' Shiva went on. 'Poor children still die by their millions. Westerners and the global rich -- like me -- live in post-scarcity society, while a billion people struggle to get enough to eat. And we're pushing the planet towards a tipping point, where the corals die and the forests burn and life becomes much, much harder. We have the resources to solve those problems, even now, but politics and economics and nationalism all get in the way. If we could access all those minds, though...