For every toxic substance, process, or product in use today, there is a safer alternative ― either already in existence, or waiting to be discovered through the application of human intellect, ingenuity, and effort. In almost every case, the safer alternative is (A) available / unavailable at a comparable cost. Industry may reject these facts and complain about the high cost of acting, but history sets the record straight. The chemical industry denied that there were practical alternatives to ozone-depleting chemicals, (B) predicting / preventing not only economic disaster but numerous deaths because food and vaccines would spoil without refrigeration. They were wrong. The motor vehicle industry initially denied that cars caused air pollution, then claimed that no technology existed to reduce pollution from vehicles, and later argued that installing devices to reduce air pollution would make cars extremely expensive. They were wrong every time. The pesticide industry argues that synthetic pesticides are absolutely (C) necessary / unnecessary to grow food. Thousands of organic farmers are proving them wrong.
* deplete: 고갈시키다 ** synthetic pesticide: 합성 살충제