Most of the articles like these are written by people entirely out of touch with life outside of a city. This author has lived in NY city their entire life.
Farming and agriculture are entirely sustainable practices even with climate change looming. It is only the methods we use that need to change. Overuse of fertilizers and pesticides, over-farming/tilling, and stupid crop rotations are to blame. The best way to get an insect resistant form of corn? Breed corn. Don't modify its genetics in a lab with the end goal of finding a strain that requires a petrochemical bath to survive.