NPR: It's called the Conservation Reserve Program, or CRP. Ten years ago, there was more land in the CRP than in the entire state of New York. In North Dakota, CRP land covered 5,000 square miles. by Dan Charles
'But CRP agreements only last 10 years, and when farming got more profitable about a decade ago, farmers in North Dakota pulled more than half of that land out of the CRP to grow crops like corn and soybeans. Across the country, farmers decided not to re-enroll 15.8 million acres of farmland in the CRP when those contracts expired between 2007 and 2014.
'Environmentalist Craig Cox wants this on-again, off-again cycle of land protection to end.
'"One of the fundamental problems is that we're not making lasting change," he says.'