The marginal cost of reducing pollution grows astronomically as the fraction that you want to reduce it by tends toward zero,
Minor point, I had to re-read this a few times to get what you meant. The use of the adverb “by” made me think that you meant the marginal cost of reducing pollution a small amount would be higher than reducing it a large amount.
Minor point, I had to re-read this a few times to get what you meant. The use of the adverb “by” made me think that you meant the marginal cost of reducing pollution a small amount would be higher than reducing it a large amount.
Thanks, I modified this accordingly.