Preview: How Climate Threatens Food Systems

From the BBC World Service: China has lifted export controls on computer chips that are vital to car production, marking an easing of trade tensions between China and the U.S. Automakers Volvo, VW, Ford, and Honda had all warned they could face severe supply chain disruptions if the ban wasn't overturned. China has also paused an export ban to the U.S. of some materials that are crucial in the semiconductor industry. Plus, a major cybercriminal reveals all.