This roundup of research focuses on border barriers -- what they are, why they have become popular, whether they actually help countries control their borders and how they impact the environment and local communities.
The United States produces over 1 million barrels of ethanol a day, mostly from corn, to be mixed into gasoline. But is it cleaner? And are the government’s economic incentives having intended consequences? We review the research.
Author Michael Pollan discussed the Farm Bill’s far-reaching impact on the U.S. food system and the environment, how journalists can better cover food policy, and more during a visit to Harvard's Shorenstein Center.