Its customers pay to have the company launch balloons full of sulfur dioxide (SO2) into the stratosphere, where it then releases the gas. Make Sunsets sells its SO2 by the gram. In return ...
Iseman and Andrew Song are co-founders of a company called Make Sunsets, a solar geoengineering startup that operates out of northern California. Its customers pay to have the company launch balloons ...
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Startups Want To Geoengineer A Cooler Planet. With Few rules, Experts See Big Risks"Just don't breathe," Iseman said with a laugh. The three balloons that Make Sunsets launched that day made it to the stratosphere – a layer of the atmosphere about six to 30 miles above Earth's ...
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