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Stranded carbon assets keep growing. What should governments do?

Despite the talk of “stranded assets” on the books of oil and gas companies, proven reserves of fossil fuels have kept growing. Our latest calculations show they’re enough to burn right through global carbon budgets.

Major oil and gas companies generally count fossil fuel reserves as valuable assets on their financial balance sheets. But a question we posed to oil companies all the way back in 2006 revealed how unlikely it is that those companies will ever fully realize the value of those assets: What happens if we burn all the oil you have now? Quick estimates revealed that the world already has enough fossil fuel reserves on hand to more than double atmospheric carbon levels to an unacceptable 1,000 parts per million (ppm) or higher.

It looked like there was an awful lot of unburnable carbon — or “stranded assets” — sitting on oil and gas company balance sheets. That finding led to widespread discussion of the idea of stranded assets and unburnable carbon in the financial community. But has that realization led fossil fuel companies to reduce the amount of unburnable carbon claimed as assets on their balance sheets?

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Authors

  • Michael Mainelli is the chairman of Z/Yen Group, a think tank he founded in 1994 after two decades in technology research and finance. A qualified accountant, securities professional, computer specialist and management consultant, he has previously served as both Lord Mayor and Sheriff of the City of London. Educated at Harvard University and Trinity College Dublin, he earned his PhD at the London School of Economics, and has published over 60 journal and 250 commercial articles. His most recent book, co-authored with Ian Harris, is “The Price of Fish: A New Approach to Wicked Economics and Better Decisions.”

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  • Dr. Kevin Parker is science and business advisor to Z/ Yen Group, giving scientific insight and context to green investment opportunities, such as “Policy Performance Bonds” and “Unburnable” Carbon. He started his career as a downstream R&D specialist at British Petroleum, moving through the company in various commercial and techno- economic roles. Since 1993 he has advised and trained technology startups, completing his 500th assignment in 2021. He currently is entrepreneur in residence at Heriot Watt University in Scotland. Dr. Parker has degrees in chemistry from Edinburgh and Cambridge Universities and a master’s degree from London Business School and is a fellow of the Royal Society of Chemistry.

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