Saving Coral in Colombia; Rating Your Taxi’s Smell in China

In Colombia we meet marine biologist Elvira Álvarado, known as the “mother of coral”. At 70, she’s still diving and pioneering a type of coral IVF to help save endangered reefs. And in China, ride-hailing companies are penalizing drivers for smelly rides. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy