Sarah Gonzalez

More than 100 hundred years ago, British economist Arthur Cecil Pigou explained how to tax things like pollution. His insight is being used to fight climate change.

The U.S. government may have helped create the current helium shortage, and now people are looking for new sources of the gas.

We kind of owe recycling to the Mafia and a 1987 garbage barge that couldn't dock anywhere. That's when cities started sending trucks to everyone's homes to pick up glass bottles and cardboard boxes.

New York City has a law that guarantees everyone a right to shelter, but there aren't enough homeless shelters. The city has turned to renting out hotel rooms.

Every day, four new dollar stores will open in the U.S. Dollar stores open in places where few other businesses will go: rural and urban areas. They're threatening businesses that survived Walmart.

Dollar General, Dollar Tree and Family Dollar are opening up stores every six hours around the country. Some towns are fighting them.

We follow the founder of f*ckjerry and comedian Jim Mendrinos into the world of comedy. Where a whole series of informal sanctions are deployed to protect jokes from theft.

There's an entire, powerful industry pushing behind the scenes for better police behavior--not with protests or picket signs, but spreadsheets and actuaries.

Cartels in Mexico aren't just trafficking in drugs anymore; they're also stealing fuel. The Mexican Government is taking action to cut them off. But it's costing a lot of money, and lives.

To catch drug traffickers, the U.S. government tried something it had never tried before. It set up and ran a fake offshore bank for money laundering. Fake name. Fake employees. Real drug money.