That is a real problem, though I would respond by saying that that is really a consequence of a flaw in the capitalist system we have, rather than a critique of

That is a real problem, though I would respond by saying that that is really a consequence of a flaw in the capitalist system we have, rather than a critique of capitalism itself. Which is that if private actors have an incentive to externalize their costs onto a public commons (e.g. the environment), we simply need to find a way to appropriately price and charge for that externality.