Lithium-ion batteries—used in everything from smart phones and laptops to electric scooters and cars—are catching fire on land and at sea. A former cargo ship captain walks us through why these fires are so hard to put out and why ocean-going car carriers are particularly at risk.For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org.

How do you do the most good in the world? Money and data! That's according to this new wave of philanthropy known as effective altruism, heralded by the likes of Sam Bankman-Fried. Today on the show we uncover the art and science of effective altruism.For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org.

Our indicators of the week: how a federal agency is trying to make it easier for you to cancel your subscriptions. And what's being done to address the 100,000-plus person backlog for organ transplants.For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org.

The high seas — water 200 nautical miles from shore — are an ocean of possibility for industries looking to cash in. But without proper oversight, the problems could be as deep as the ocean itself.Could an international agreement help?For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org.

We're putting Fed Chair Jerome Powell in the hot seat. Without fear and without favor, our guests look at Powell's record on jobs, inflation and financial stability. For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org.