When it comes to carbon emissions, there’s a major culprit you might not have heard about: cement. The production of cement emits almost as much carbon dioxide as cars do - but Brimstone CEO and co-founder Cody Finke says they’ve found a way to change that.
This week on How I Built This Lab, Cody explains where all that carbon dioxide is coming from, and ho ... Show More
Jun 8
Shopify: Tobias Lütke. How a snowboarder built a $150 billion business (2019)
In 2004, German programmer Tobias Lütke was living in Ottawa with his girlfriend.An avid snowboarder, he wanted to launch an online snowboard shop, but found the e-commerce software available at the time to be clunky and expensive.So he decided to write his own e-commerce softwar ... Show More
58m 48s
Jun 4
Advice Line with Tim Ferriss (August 2025)
Entrepreneur, author, and podcaster Tim Ferriss joins Guy on the Advice Line to answer questions from three early-stage founders. Plus, Tim shares the inspiration behind his latest venture, Coyote—a 10-minute card game that encourages time spent with friends and family.First, Lau ... Show More
47m 25s
Jun 1
UGG: Brian Smith. How an epiphany, surfers, and $500 launched an iconic sheepskin footwear company.
In 1978, Brian Smith quit his accounting job in Australia and headed to California with a surfboard, some savings, and ambition. He figured California was where he’d find an idea or a product to bring back home to Australia to build a business. A year in, he was still looking.But ... Show More
1h 28m
Nov 2023
Big promise, little success: The state of carbon capture
<p>The U.S. is spending billions on carbon capture as a climate solution, but is it realistic? The method has been around for 50 years and used primarily as a way to extract more oil. To find out how and if carbon capture can work as a climate solution, Akshat speaks with Emily G ... Show More
34m 45s
Dec 2023
A concrete solution to climate change
Concrete is one of the world’s biggest sources of carbon emissions. Tech companies, including a startup co-founded by former NBA star Rick Fox, are looking to change that.
This episode was produced by Hady Mawajdeh, edited by Matt Collette, fact-checked by Isabel Angell, engineer ... Show More
25m 53s
Apr 2024
Capturing CO2 from the air
We're in Iceland, where, in attempt to fight climate change, huge machines are being used to pull carbon dioxide out of the atmosphere.And then locking it away deep underground, turning it into stone.The business behind the technology believes this is a crucial step in reducing t ... Show More
17m 29s
Jan 2021
How we could make carbon-negative concrete | Tom Schuler
Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the world's biggest emitters of carbon. Entrepreneur ... Show More
5m 16s