All locusts are grasshoppers, but not all grasshoppers are locusts. Locusts are grasshoppers that when exposed to specific environmental cues will form mass migrations and become a continental-level challenge. The immediate impacts of locusts on agriculture are obvious. For example, the desert locust plague in Western and Northern Africa that occurred between 2003 to 2005 cost an estimated 2.5 billion US dollars in crop losses.
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The United States plants more than 170 million acres of corn and soybeans a year, more than any country in the world. And the primary mechanism in the US that we use to subsidize agriculture is actually called the Federal Crop Insurance Program. So, the crop insurance program in the US is also the largest such program globally, with over $100 billion in liabilities annually. So it’s a very big program.
You’re dealing with timescales that are beyond humans’ interest. I mean, it’s sorta like global warming. The heat that we have now built up, that carbon was burned thirty years ago. It’s going to take a while for the correction process. So, if you have the elements of the phosphorus, the potassium, the manganese, and so on, it can be built back pretty fast. But a shorthand way of putting it is that soil is as much of a non-renewable resource as oil. And, more important than oil. I mean, we’re talking about stuff we’re made of. So that’s why I’ve said that the plowshare has destroyed more options for future generations than the sword.