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Prosets: a new financing instrument to deliver a durable net zero transition
Eli Mitchell-Larson1, Myles Allen2
1Oxford Net Zero & School of Geography and the Environment, University of Oxford, Oxford, UK.
Climatic Change
|October 3, 2022
Summary
New composite carbon credits, called "prosets," offer a credible path to durable net zero emissions. Prosets progressively increase geological carbon storage, ensuring permanent CO2 removal while utilizing nature-based solutions affordably.
Area of Science:
- Climate Science
- Environmental Economics
- Carbon Accounting
Background:
- Growing corporate interest in carbon offsetting for net zero goals.
- Existing carbon credit markets often lack credibility for durable emission reductions.
- A need exists for standardized
- net zero compliant
- offsetting products.
Purpose of the Study:
- Introduce a novel carbon credit instrument, the "proset."
- Define criteria for net zero compliant carbon offsetting.
- Facilitate a credible transition to durable net zero emission states.
Main Methods:
- Design of a composite carbon credit (proset).
- Progressive allocation of carbon to geological storage over time.
- Integration of nature-based solutions for near-term benefits.
Main Results:
- Prosets ensure 100% allocation to permanent geological storage by the net zero target date.
- Generates predictable demand for long-term CO2 storage.
- Offers an affordable solution for purchasers.
Conclusions:
- Prosets provide a credible and cost-effective mechanism for achieving net zero.
- This approach balances near-term climate action with long-term carbon permanence.
- Standardization of net zero compliant offsets is crucial for market integrity.
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