The US Grows the Most Productive Plants in the World, Says NASA

Remember learning about America's "amber waves of grain?" Well, it turns out that the United States' bread basket—a.k.a., the Corn Belt—is even more productive than previously thought. In fact, during its growing season, it's the most productive land on Earth, according to new NASA data. » 3/31/14 4:20pm 3/31/14 4:20pm