Marketplace All-in-One

Could dimming the sun be the key to cooling things down before the climate crisis worsens? Some scientists say yes, that we can cool the earth by launching tons of sulfur dioxide into the stratosphere. It’s a type of solar geoengineering that was once seen as preposterous, meant to exist only in the pages of a sci-fi novel. But now, it’s a reality.

To find out for ourselves, we travel to Northern California where two entrepreneurs are launching sulfur-filled balloons from the top of stacked shipping containers. Later, we talk with scientists on both sides of this issue to find out if solar geoengineering could help prevent catastrophic tipping points or introduce a whole new slew of cascading consequences.

More than a third of all Americans think they’ll lack enough savings to retire, according to the Employee Benefit Research Institute. For some, one solution to financial precarity in retirement is going back to work, or unretiring. Today, we hear from a 74-year-old retiree who's back in the job market in order to make ends meet. But first, durable goods orders are a sign of strong growth in a sea of economic worry.

This week, rideshare drivers in Massachusetts unionize; plus, Robinhood lets AI agents trade on behalf its customers.

But first, there’ve been hints for a while that Anthropic, OpenAI and SpaceX are planning to go public in the near future. Last week, SpaceX filed its initial public offering prospectus, also known as an S1, which is meant to help investors understand the company’s business model, including the risks it faces. Marketplace’s Stephanie Hughes spoke with Paresh Dave, senior writer at WIRED, to learn more.

Check out our YouTube page to watch more episodes of “Tech Bytes.”

Everything we talked about today:

“Tech titans prepare for blockbuster IPOs in new front of AI race” from The Hill

“SpaceX Listed Grok’s ‘Spicy’ Mode as a Risk in Its IPO Filing” from Wired

“Your AI agent can now trade for you on Robinhood. And buy stuff with your credit card too” from CNBC

“Rideshare drivers union in Mass. says it's the 1st to be recognized in the U.S.” NBC Boston

The personal savings rate fell to just 2.6% in April — a low not seen since June 2022, according to the Bureau of Economic Analysis. That means Americans have, on average, less cash leftover at the end of the month. Gas and grocery price inflation are partially to blame. Also in this episode: Office real estate looks a little K-shaped, one city tries to relieve budget problems with trademarked merch, and Kai breaks down the April PCE report and Q1 GDP revision.

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Inflation's heating up and is well above the Federal Reserve's goal. The central bank's preferred reading on inflation came out this morning for April. Prices are up 3.8% from a year ago; it was 3.5% in March. What does that mean for the future of interest rates and the inflation consumers expect going forward? Then, we'll discuss how the war in Iran has added new pressure to an already strained farm economy.