How we could make carbon-negative concrete | ...

When entrepreneur Yi Li cofounded Farmworks, she set out to build 1,000 climate-smart farms across Kenya, complete with dams, irrigation and organic fertilizers. The science was sound, but reality proved more complicated. Learn what she discovered about the missing ingredient beh ...  Show more

In this episode, TED Health host Dr. Shoshana Ungerleider invites Dr. Vivek Murthy, the 19th and 21st Surgeon General of the United States, to discuss the ongoing loneliness epidemic.After the interview, Shoshana shares a TED-Ed talk from Terry Kupers, "What happens to your brain ...  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 ...

Concrete is so much more than just a sidewalk. We use it to build playgrounds and skateparks and even musical instruments! But how does it go from a powder to a sludge to the strong building material that we use all over the world? And can we come up with new recipes that are ...

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

Wood is strong enough to build skyscrapers, and bamboo - the fastest growing plant in the world - can also be used for building. Both suck up large amounts of greenhouse gas. We find out what would happen if we used these materials instead of concrete in construction. Produced an ...  Show more