The international criminal police organization Interpol turns 100 this year. Time to look at how it's helped make our world safer from crimes by catching global perpetrators — and where its so-called red notices have helped authoritarian regimes clamp down on the innocent.

On this week’s show, we’re looking at stories from across the globe about what happens when communities band together to solve big problems. The Yanomami fighting back against Brazil’s illegal goldminers, restoring India’s bodies of water, a Swiss restaurant serving the poor, and more.

Join us this week as we revisit a favorite episode about a thrilling and somewhat unusual expedition to the North Pole. Two reporters take us along for a ride on the luxury cruise ship that doubles as a lab where scientists are studying the effects of climate change.

This week, a look at the people fighting to preserve public health, from doctors in Ukraine, to nurses from Ghana. Plus, in the US Black medical residents are being dismissed at an alarming rate. We’ll hear from a doctor who says she had no choice but to leave, and Usha Lee McFarling, the reporter who broke her story.

On this week’s show, we hear from doctors and aid workers on the ground in Kahranmanmaras, Turkey not far from the epicenter of the earthquakes that struck earlier this month. Plus, in China we’ll hear from ambitious young men and women who are giving up good jobs to pursue happiness.