{"version":1,"type":"rich","provider_name":"Libsyn","provider_url":"https:\/\/www.libsyn.com","height":90,"width":600,"title":"A preview of season 4: Batteries are taking over the world","description":"Batteries are finding their way into everything \u2013 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\u2019re 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. ","author_name":"The Big Switch","author_url":"http:\/\/thebigswitch.libsyn.com\/","html":"<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>","thumbnail_url":"https:\/\/assets.libsyn.com\/secure\/item\/29800658"}