Batteries are a critical part of the transition away from fossil fuels. From electric vehicles to grid scale storage for wind and solar, demand for batteries is expected to grow 500% by 2030. In order to meet that demand, we’re going to need a lot more batteries. And while companies like JB Straubel’s Redwood Materials are building capacity for recycling, for now that means a lot more mining.  How do we build a battery supply chain that meets demand and reduces harm?