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Articles by Senior Staff Writer Tik Root

Tik Root covers climate solutions and economics at Grist. He started his career as a freelance journalist in Yemen, and has since covered everything from Al Qaeda to the Olympics for outlets such as National Geographic, The New York Times, and The Atlantic, among others. He previously worked at The Washington Post and Scripps News. Tik lives in Vermont with his wife and son.

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Featured Article

A geothermal drilling rig on the south side of the Salton Sea. Fervo Energy has a similar project underway in Utah.

When the NASDAQ opens on Wednesday morning, the exchange will include a new ticker symbol: FRVO. The company, Fervo Energy, is in the geothermal electricity business and aims to raise $1.8 billion. An initial public offering of that magnitude would be one of the biggest Wall Street debuts for renewable energy in U.S. history and a promising sign for clean tech’s future.

“This is a very, very big deal,” said Gernot Wagner, a climate economist at Columbia Business School. “Money speaks.”

At the simplest level, geothermal generation is the process of harnessing the heat within the earth to produce steam, which then spins turbines to generate much-needed electricity. But locating suitable geology and getting deep enough to make power on a utility-scale isn’t easy. Fervo uses horizontal drilling and fiber-optic sensing to tap previously out-of-reach sources. 

“Innovation is allowing these technologies to cover a wider variety of sites,” said Zainab Gilani, a geothermal analyst with research firm Cleantech Group. Fervo, she note... Read more

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