Should Californians be able to require higher welfare standards for farm animals that are raised in other states if products from those animals are to be sold in California? The U.S. Supreme Court will confront that question when it hears…

By David Favre, The Conversation

Bird flu is highly contagious in domestic flocks. A major outbreak is killing millions of chickens and turkeys across the U.S.

By Yuko Sato, The Conversation

Livestock production—primarily cows—produce 14.5 percent of global greenhouse gas emissions. The majority of that is in the form of methane, a potent greenhouse gas that is a natural byproduct of how some livestock process food. But as Christopher Booker reports,…

By Christopher Booker, Sam Weber

As high-density, industrial-scale livestock farms have become fertile breeding grounds for disease, they’ve also become a major source of drug-resistant superbugs. Science correspondent Miles O’Brien and economics correspondent Paul Solman team up to report on how scientists are studying how…

By Miles O'Brien