A concrete idea to reduce carbon emissions | ...

Is authoritarianism winning, or is democracy just failing to deliver? Communications strategist Sally Kohn lays out how democracy has evolved before and why it must evolve again, into what she calls "Democracy 3.0" — a version that finally shares power and opportunity equally. "W ...  Show more

Artist Joe Whale used to get in trouble for doodling in class, until a local restaurant let him cover an entire wall with his artwork … and the internet took notice. He traces his unlikely beginning to a bigger story: your imagination is a muscle, and it weakens when you hand it ...  Show more

Concrete is the most widely used substance on earth after water. It’s quite literally the foundation of the modern world, and no wonder - it’s strong, cheap, and mouldable into nearly any shape.

But these benefits come at a cost: concrete production is responsible for ar ...

Cement is one of the most-consumed materials on Earth — second only to water — and it accounts for a whopping eight percent of the world's carbon pollution. What if we could turn this climate villain into a hero? Clean tech innovator and serial entrepreneur Ryan Gilliam reveals h ...  Show more

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

It's improved health, school attendance, agricultural productivity and farm worker wages, but concrete has a poor reputation. It takes a lot of energy to produce and releases a great deal of CO2 in the process. However, architects appreciate its versatility and there are few more ...  Show more