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Illustration: Brendan Lynch/Axios

Firemaps, a San Francisco-based startup that uses satellites and drones to defend homes from wildfires, raised $5.5 million in seed funding led by Andreessen Horowitz.

Why it matters: The world is burning more regularly and with more intensity. As of today, 88 large fires are burning just within the U.S., covering 2.4 million acres, per the National Interagency Fire Center, with nearly 27,000 wildland firefighters and support personnel assigned to incidents. In California, nine of the 10 largest fires on record have occurred since 2010.

Other investors include Lee Fixel and Uber CEO Dara Khosrowshahi.

The bottom line: "The company sends out a crew with a drone to survey a homeowner’s house and property if it is in a high-risk fire zone. Within 20 minutes, the team will have generated a high-resolution 3D model of the property down to the centimeter. From there, hardening options are identified and bids are sent out to trade contractors to perform the work on the company’s marketplace." — Danny Crichton, TechCrunch

Go deeper

38 mins ago - World

Iran agrees to resume Vienna nuclear talks in November

Ali Bagheri (R) with Enrique Mora in Tehran on Oct. 14. Photo: Iranian Foreign Ministry handout via Getty

Iran's new chief nuclear negotiator said following a meeting in Brussels on Wednesday that Iran would resume negotiations in Vienna before the end of November, with the exact date to be set next week.

Why it matters: The Vienna talks have been frozen since Iran's new hardline president, Ebrahim Raisi, was elected in June. This is the most direct commitment from Raisi's government to return to the negotiating table.

Dan Primack, author of Pro Rata
6 hours ago - Politics & Policy

Democrats' billionaires tax explained

Illustration: Aïda Amer/Axios

There is now legislative language behind the push to tax American billionaires on unrealized capital gains, as Sen. Ron Wyden last night released his 107-page plan.

Why it matters: This would be a sea change in U.S. tax policy, which has only applied to realized gains (otherwise known as income).

COP26 head warns Glasgow summit will be "harder than Paris"

Alok Sharma, U.K. COP26 president, in Milan on Sept. 30, 2021. Photo: Stefano Guidi/Getty Images

U.K. COP26 President Alok Sharma told reporters Tuesday that the upcoming talks in Glasgow, widely viewed as the last chance to avoid some of the worst consequences of global warming, will be extremely difficult.

Driving the news: Sharma sought to temper expectations and note that the agenda features some of the toughest items that negotiators have punted on at previous summits.