Researchers from the Barcelona Supercomputing Center and the European Central Bank are tracing price jumps, including an 80% spike in the cost of US vegetables to extreme weather linked to climate change. The study's authors say unprecedented conditions are set to become increasingly and worrisomely common around the world and could strain the amount of land available for crop production that is needed to feed nearly 10 billion people globally by the year 2050. Joining us now is New York Times bestselling a ...