1 rich Libsyn https://www.libsyn.com 90 600 Batteries are finding their way into everything – from cars to heavy equipment to the electric grid.&amp;nbsp; But scaling up production to meet the demands of a net-zero economy is complicated and contentious. In this 5-episode season, we’re digging into the ways batteries are made and asking: what gets mined, traded, and consumed on the road to decarbonization?&amp;nbsp; Season 4 of The Big Switch drops Feb 28th. Listen on Apple podcasts, Spotify, or wherever you get your podcasts. The Big Switch http://thebigswitch.libsyn.com/ <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/29800658/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/29800658