Why a billionaire mining executive is betting on green energy

This week, countries may approve a carbon tax on the global shipping industry. The International Maritime Organization is poised to approve new levies on ships for their emissions, but the Trump administration argues it's a harmful tax. William Brangham has a profile of Andrew Forrest, a key business player who's attracting attention for his efforts to make industry greener. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy