I'm less worried about energy then I am about ecology. The oceans are being slowly poisoned and this continues to happen. They are big, but we can poison faster

I'm less worried about energy then I am about ecology. The oceans are being slowly poisoned and this continues to happen. They are big, but we can poison faster than they can self-clean. Eating too much of some wild caught fish, like tuna, is bad for you because you can get mercury poisoning. Why is there mercury in tuna? It's from burning coal. So there's that and the Corral reefs are dieing, fish stocks are declining, ocean chemistry is changing faster then most organisms can adapt. Industrial agriculture is slowly eroding away the soil, while fertilizers poison the water (see above). This will eventually break. Just those two things alone account for most of our food and we aren't doing anything in most cases, or enough in some cases, to change the course of these. So then what?