A record-setting "dead zone," where water doesn't have enough oxygen for fish to survive, has appeared this summer. One major cause is pollution from farms.
Many farmers are successfully fending off environmental regulation, from the Clean Water Rule to a lawsuit in Iowa that's aimed at reducing nitrates in rivers.
Environmentalists argued the EPA should establish maximum levels of nitrogen and phosphorus, and then have a means to penalize states that exceed those amounts.
Bringing monitoring technology to farmer’s fields means the farmer instantly knows how much fertilizer that area needs. They can then avoid applying too much.
It's a finite underground mineral deposit. Its availability influences food security. And the world is running out. Think it's oil? Actually, it's phosphorus.