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. Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show.   Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6   Follow us: TikTok:   / pbsnews   X (formerly Twitter):   / newshour   Instagram:   / newshour   Facebook: http://www.pbs.org/newshour   Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe