China warns U.S. envoy John Kerry that strained relations a risk to climate change progress

<p>From the BBC World Service: Chinese Foreign Minister Wang Yi told Mr. Kerry that Beijing won&#8217;t divorce talks about carbon reduction from other issues such as sanctions and tariffs. Plus, Zambia&#8217;s commodities, including copper, could be key in global electric vehicle production. And, could recent turmoil threaten Afghanistan&#8217;s exports of saffron, the world&#8217;s most expensive spice?</p>