That kind of true for every human activity. Anything is dangerous if incompetent / malevolent actors are in charge. Even pig farms cause runoff of manure and f

That kind of true for every human activity. Anything is dangerous if incompetent / malevolent actors are in charge. Even pig farms cause runoff of manure and fertiliser into rivers, where they cause Eutrophication - massive algae blooms that consume all oxygen in the water, killing all the local fish and fauna and producing massive swaths of hte ocean where the only living thing is Jellyfish.