Half of the world's cork wine stoppers come from Portugal's cork oak trees. These trees are so important to the country's ecosystem and economy, they're protected under Portuguese law. We went inside the forests of Alentejo to see how the cork bark is car...

Brazil nuts are one of the most sustainable nuts. They're not grown on farms. They're collected in the rainforest after they drop naturally off wild trees. While the nuts support Indigenous tribes' livelihoods, collectors have a tough job.

The Smithsonian Natural History Museum houses 147 million specimens — everything from pickled animals to priceless gems to dinosaur bones. But less than 1% of it's on display. The rest is hidden behind the scenes in what's called collections.

Hate to break it to you, but your truffle oil wasn't made from truffles. Your vanilla extract? Well, that's probably just a lab-made derivative of crude oil. And your shaker of Parmesan cheese? It probably has wood pulp inside.

Cochineals are tiny bugs that live on prickly pear cactuses. The acid in their guts makes a red dye used in textiles, cosmetics, and foods like M&Ms and Yoplait yogurt. Indigenous people across Latin America traded it for thousands of years. It can be...

Only 17% of electronic waste is recycled. That’s because devices aren’t designed to be recycled. They’re full of tiny, toxic materials that are hard and expensive to break down. But if extracted safely, those materials could mean big money for e-recyclers...