Supplies of the red metal have to motor if the world is to adequately decarbonise. In this Exchange podcast Tae-Yoon Kim, senior energy analyst at the International Energy Agency, lays out the challenges that need to be overcome if the private sector is going to make that happen. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt-out of targeted advertising.