It’s that time of year when we reach into our listener mailbag and answer your questions. And you had some good ones. In this episode, Shayle once again hands the mic to guest host Sarah Golden, VP of energy at GreenBiz Sarah Golden. Together they cover things like: The role of biology in creating fossil-fuel-free materials Whether the marginal cost of electricity is heading toward zero Solving the dilemma of financing first-of-a-kind projects The impact of tech layoffs on climatetech The biggest roadblocks to decarbonization What role battery recycling will play in addressing the shortage of lithium and other critical minerals Click here for a full transcript of this episode. What else should we cover on the show? Leave us a voicemail at 919-808-5832. Or email us at catalyst@postscriptaudio.com. You can also tag us on Twitter. Catalyst is a co-production of Post Script Media and Canary Media. Catalyst is supported by Antenna Group. For 25 years, Antenna has partnered with leading clean-economy innovators to build their brands and accelerate business growth. If you're a startup, investor, enterprise, or innovation ecosystem that's creating positive change, Antenna is ready to power your impact. Visit antennagroup.com to learn more.