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Hardware at the SberBit cryptocurrency mining equipment facility in Moscow. Photo: Vyacheslav Prokofyev/TASS via Getty Images

While some global policies for mitigating climate change and adapting to its effects have been put in place, there is no integrated system to track progress against those goals and evaluate the effectiveness of various approaches.

The big picture: As public and private sector leaders attempt to keep warming below 2 degrees Celsius, a blockchain-based system could allow parties to monitor which strategies to reduce carbon emissions work, which don’t, and how much each contributes.

Details: The Paris Agreement is decentralized and bottom-up, making it a promising sandbox for blockchain, which strings together data to generate a permanent record that can be continuously viewed, updated and verified by users at all levels.

How it works: Côte d’Ivoire’s NDC, for example, entails reducing its greenhouse gas emissions 28% by 2030, which could be achieved by sourcing 42% of its energy from renewables in the same timeframe. A blockchain-based system could verify not only whether those goals have been reached, but also how their achievement contributes to global progress.

Another essential application is tracking climate finance flows. Whether at the global, national, firm or household level, blockchain can verify products, services and distributors in energy and agricultural industries. Owing to its open nature, blockchain can also reduce costs associated with complex supply chains and connect disparate markets.

Yes, but: Blockchain isn’t a silver bullet, and consumes a great deal of energy itself.

  • Defining the metrics for impacts, on both emissions and costs, will be technically and politically complicated. Tracking and comparing adaptation approaches will be particularly challenging, as they are highly local and context-specific.
  • Creating such a system on a global scale presents considerable legal and governance challenges.
  • There is little that technology can do to solve regulatory and institutional challenges or a lack of political ambition.

What to watch: There is already momentum to bring blockchain to climate policy, with pioneers testing out peer-to-peer systems for energy trading, marine fuels, renewable energy credits (RECs), and carbon credit tokenization.

Alzbeta Klein is the director for climate business at the International Finance Corporation, a member of the World Bank Group.

Go deeper

Obama stumps for McAuliffe, urges Virginians not "to go back to the chaos"

Photo: Win McNamee/Getty Images

Former President Barack Obama framed a Nov. 2 gubernatorial race as a bellwether for the Democratic Party and the country, telling a crowd at a campaign event for Terry McAuliffe on Saturday that "I believe you, right here in Virginia, are going to show the rest of the country and the world that we're not going to indulge in our worst instincts."

Why it matters: With just over a week to go before Election Day in the Commonwealth, McAuliffe is bringing out the big guns. The 44th president appeared on the campus of Virginia Commonwealth University to urge supporters to get to the polls.

Bryan Walsh, author of Future
4 hours ago - Politics & Policy

Axios AM Deep Dive: America’s murder surge

Photo illustration: Sarah Grillo/Axios. Photo: Erik McGregor/LightRocket via Getty Images

Homicides rose at the fastest rate in at least six decades last year. This Axios AM Deep Dive, led by Future correspondent Bryan Walsh, looks at the state of gun crime.

8 hours ago - Politics & Policy

Senate Democrats target billionaires

Illustration: Annelise Capossela/Axios

After failing to get a deal on other planned tax increases, key Senate Democrats are pivoting to a billionaires' income tax to pay for President Biden's social spending.

The big picture: No advanced economy has attempted anything similar on such a scale.

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