Upton Sinclair is alive and well.

Or rather what he learned and published is.

https://www.counterpunch.org/2019/08/12/farm-rot-is-eating-america-alive/

The toxification of the land 

A peer-reviewed study published August 6, 2019, revealed that American agriculture is now about 50 times more deleterious to insects than it was 25 years ago. The second terrible truth is that neonicotinoid insect-killing chemicals account for 92 percent of the growing toxic wrath of land and farming.