INSKEEP: OK, so now the bottom line. After doing all this reporting, did you conclude that one less hamburger a week really could save the Colorado River?
STONE: Honestly, Steve, it's really hard to say. The food system is so complicated, and it's not just beef. Actually, yogurt and cheese is what's driving more hay to be grown in the Colorado River basin. But it is true that if we shift our diets just a little, that can have a long-term impact.
INSKEEP: OK, so now the bottom line. After doing all this reporting, did you conclude that one less hamburger a week really could save the Colorado River?
STONE: Honestly, Steve, it's really hard to say. The food system is so complicated, and it's not just beef. Actually, yogurt and cheese is what's driving more hay to be grown in the Colorado River basin. But it is true that if we shift our diets just a little, that can have a long-term impact.