Modern Architecture died in St. Louis, Missouri, on July 15, 1972, at 3.32 p.m. (or thereabouts), when the infamous Pruitt Igoe scheme, or rather several of its slab blocks, were given the final coup de grace by dynamite.
We're not just polluting a river and killing a couple of top predator animals; we're eradicating the krill, the necessary algae. We're dismantling the insect and amphibian worlds. We're going for the building blocks.