Justin Kolbeck is the co-founder and CEO of Wildtype, a company making seafood without killing fish.

Their first product is cultivated salmon, which is made from real salmon cells that are grown in a stainless steel vat.

Justin's problem is this: How to sell no-kill, vat-grown salmon for the same price, or better, as wild-caught salmon? On today’s show, Justin explains how Wildtype will scale, what’s going on across the cultivated and plant-based meat industries, and how new state bans on cultivated foods are shaping the future of his business.

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 Ed Conway is an economics journalist and author of the book “Material World: The Six Raw Materials that Shape Modern Civilization.”

On today’s show, Ed reveals how three of those often-overlooked materials—iron, copper, and sand—shaped human advancement from the Renaissance to the Industrial Revolution to the digital age. And he talks about what they mean for our future.

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Shashank Samala is the CEO and co-founder of Heirloom, a carbon capture start-up.

His problem is this: Can you use crushed up rocks to permanently suck carbon out of the atmosphere? And can you do it cheaply enough to have a global impact?

On today’s show, Shashank explains why he believes rocks could be the backbone of carbon capture, how his childhood in India shaped his outlook on climate change, and how government policy is shaping today’s direct air capture industry.

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