Despite decades of effort, only about 9% of plastic waste is successfully recycled. The vast majority ends up in landfills or incinerators. In Part 1 of this two-part episode of “The Energy Forum,” Rachel Meidl is joined by Marco Castaldi, professor of chemical engineering at the City College of New York, to unpack the complex world of advanced recycling, also known as chemical or molecular recycling.
They discuss what advanced recycling actually is, how it differs from traditional mechanical recycling, and why it’s become such a hot topic globally, plus:
This conversation was recorded on July 7, 2025.
Follow Rachel Meidl, LP.D., CHMM on X (@MeidlRachel) and LinkedIn.
You can follow @BakerInstitute and @CES_Baker_Inst on X, Instagram, LinkedIn, and YouTube. Learn more about our data-driven, nonpartisan policy research and analysis at bakerinstitute.org.
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
Dateline NBC
Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com
On Purpose with Jay Shetty
I’m Jay Shetty host of On Purpose the worlds #1 Mental Health podcast and I’m so grateful you found us. I started this podcast 5 years ago to invite you into conversations and workshops that are designed to help make you happier, healthier and more healed. I believe that when you (yes you) feel seen, heard and understood you’re able to deal with relationship struggles, work challenges and life’s ups and downs with more ease and grace. I interview experts, celebrities, thought leaders and athletes so that we can grow our mindset, build better habits and uncover a side of them we’ve never seen before. New episodes every Monday and Friday. Your support means the world to me and I don’t take it for granted — click the follow button and leave a review to help us spread the love with On Purpose. I can’t wait for you to listen to your first or 500th episode!