As farmlands become more infertile and as pollutants infiltrate food chains and water sources, the demands placed on all biological organisms ingesting such things increases significantly. The current trajectory is completely unsustainable, and dis-ease, incapacitation and genetic mutation associated with toxic intervention and overload is changing life as we know it, and how we manage it.
Fundamental aspects of life need to be supported and maintained as baseline priorities. This is not an advanced theory or outrageous claim by any means, it is just a basic fact.