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Photo Illustration: Aïda Amer/Axios. Photo: Photo by Nicola Gell/Getty Images for SXSW.

Chris Sacca was one of the past decade's most successful venture capitalists, with a run that included early bets in such companies as Instagram, Twitter and Uber. Then, in 2017, he quit.

Driving the news: Sacca is good at investing, but bad at retiring. He's now running a new firm called Lowercarbon Capital, focused on startups that are developing "technologies to reduce CO2 emissions, remove carbon from the atmosphere, and actively cool the planet."

"Clean tech" remains a dirty word for many venture capitalists, due to the mountains of cash lost on such deals in the late aughts.

  • Sacca argues that the sector today is akin to internet tech in 2005 when Y Combinator launched, in terms of lower startup costs and clearer paths to scale.
  • This is not, he stressed to me yesterday during a CB Insights conference interview, a charity case. Sacca also says he welcomes the investment participation of oil majors like Chevron and ExxonMobil, even though that's blasphemy in some clean-tech investment circles.
  • Portfolio companies include a startup focused on lithium extraction tech, a carbon credits marketplace, and an oyster hatchery in Maine.

Details: Lowercarbon currently is structured as a family office ⁠— Chris' wife Crystal is co-founder ⁠— in the tens of millions of dollars. It hasn't yet accepted outside money save for a few special-purpose vehicles with institutional investors from Sacca's prior funds, but there's a growing possibility that it will do a formal fundraiser.

  • Elsewhere: Climate tech investing is having a big week. Sweden's Pale Blue Dot raised $60 million for a new fund, Prime Impact Fund emerged from stealth with $50 million, and Copenhagen Infrastructure Partners raised a €1.5 billion fund focused on renewable energy infrastructure.

The bottom line: Sacca's participation could prompt others to tip their toes back in, or for the first time, but a stampede is unlikely until the new generation of clean tech companies produces a massive hit.

Go deeper

Ben Geman, author of Generate
Sep 24, 2020 - Energy & Environment

CO2 capture is growing but still lags badly, IEA says

Screenshot of IEA's "CCUS in Clean Energy Transitions" report

There's growing momentum behind deploying technology that traps and stores CO2 emissions, but much more investment and stronger policies are needed, the International Energy Agency said in a new report.

Why it matters: The technology is vital to enabling the radical emissions cuts needed through the 2050-2070 timeframe to keep temperature rise in check, the agency said.

Business travel might be going out of style

Illustration: Annelise Capossela/Axios

Companies have made it a year and a half mostly without traveling for work — and now more and more of them are considering dramatically reducing business travel to slash costs and cut carbon emissions.

Why it matters: Business travel is a massive part of the global economy — with trillions of dollars and millions of jobs at airlines, hotels and travel agencies hinging on its return.

Local Florida leaders eye ways to take on DeSantis' anti-mask stance

Photo: Joe Raedle/Getty Images

With Florida at the forefront of the nation's COVID surge, local governments across Tampa Bay are wondering if — or how — they can subvert Gov. Ron DeSantis' administration to do something to slow the spread.

Why it matters: A day after Florida broke its record for daily cases, it did the same for the total number of COVID hospitalizations — set way back in July 2020, per the AP.