As more and more consumers are experiencing empty shelves at their grocery stores, Phil Lempert, editor of, spoke with Cheddar's Ken Buffa to discuss the changes in the supply chain that have trickled down into our grocery stores. "It's really three major factors: number one is climate change, number two is labor, and number three is transportation," he explained. Lempert also called on people to shop with local, independent grocers, calling it "critical to our infrastructure."