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Impractical technology
confined to the labs
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•
“Emergency” solution to
counteract drastic
temperature rises in the
future.
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•
Partial or complete
substitute to the
mitigation of GHG
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use
alongside other GHG
mitigation strategies
within a decade.
Source: WMO Scientific Assessment of Ozone Depletion 2022
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Research concentrated in few countries; limited information
sharing.
•
Quickly moving to outdoor experiments
•
Boundary between small-scale outdoor experiment, large-scale
outdoor experiment and deployment unclear.
•
Boundary between climate adaptation and SRM deployment unclear.
•
Overlap between climate science experiments and SRM experiments.
•
Research governance needed as the scope of risk extends
beyond national borders.
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•
87 parties, including US, several EU countries and China. India not a
party.
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London Protocol on Marine Pollution (1992)
•
2013 parties decision to regulate all ocean-based geoengineering
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Outer Space Treaty (1967)
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•
…. would “very likely cause unintended consequences, including changes in
stratospheric ozone concentrations.”
•
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over the period 2020–2040 would result in a reduction of total column ozone
close to the minimum values observed between 1990 and 2007.”
An independent expert review on Solar Radiation Modification research and
deployment, UNEP, 2023
•
“Recent studies considering sulphate aerosols indicate that stratospheric ozone
depletion would be increased in the polar stratosphere, the Antarctic ozone hole
recovery could be delayed by a couple of decades and the ozone hole could
become deeper in the first decade of SAI deployment”.
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•
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Problem Formulation
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Regulating SAI under Montreal Protocol is difficult because:
•
Protocol is designed to phase down controlled substances to levels
considered safe, rather than preventing introduction of a new
substance.
•
“Controlled substance” emission during production and consumption –
research activity is not technically production or consumption.
•
Difficult to set a defined ‘schedule’ for phasing down of research
inputs – safe amount is unclear.
•
Vienna Convention has all the elements to govern SAI research.
The CEO & President of iFOREST discusses the potential of Solar Radiation Management (SAI) technologies as emergency solutions to mitigate drastic temperature rises and address GHG emissions. Key issues with SRM, the need for governance, and current global governance frameworks on SRM are highlighted, underlining the importance of research and careful consideration in this field.
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Presentation Transcript
Side Event 35th Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer Tuesday, 24th October 2023 United Nations Office at Nairobi Chandra Bhushan CEO & President, iFOREST
Evolution of SAI Impractical technology confined to the labs
Evolution of SAI Emergency solution to counteract drastic temperature rises in the future.
Evolution of SAI Partial or complete substitute to the mitigation of GHG emissions -- use alongside other GHG mitigation strategies within a decade. Source: WMO Scientific Assessment of Ozone Depletion 2022
Critical issues with SRM Benefits theorized, unproven, achievable by other means (mitigation, resilience & adaptation) Magnitude of risk poorly understood, likely high Scope of risk global, uneven, extending beyond national borders
Need for governance Research concentrated in few countries; limited information sharing. Quickly moving to outdoor experiments Boundary between small-scale outdoor experiment, large-scale outdoor experiment and deployment unclear. Boundary between climate adaptation and SRM deployment unclear. Overlap between climate science experiments and SRM experiments. Research governance needed as the scope of risk extends beyond national borders.
Current global governance on SRM Convention on Biodiversity (1992) 2010 COP Decision bans geoengineering, with narrow exception for small-scale research only if they are justified by the need to gather specific scientific data and are subject to a thorough prior assessment of the potential impacts on the environment . No framework for prior assessment and approval. Wide participation, but U.S. not a party. London Convention on Marine Pollution (1972) 2010 COP decision creates research assessment framework for ocean fertilization experiments Ocean fertilization is a type of carbon dioxide removal geoengineering 87 parties, including US, several EU countries and China. India not a party.
Current global governance on SRM London Protocol on Marine Pollution (1992) 2013 parties decision to regulate all ocean-based geoengineering Negative list approach all activity including experiments prohibited unless expressly assessed and permitted 53 parties, U.S. not a party. Outer Space Treaty (1967) No express governance, could govern space reflectors 114 parties, including all major spacefaring nations No specific global governance on Stratospheric Aerosol Injection, the most advanced SRM technology.
SAI and Ozone layer modification Scientific Assessment Panel, 2022 . would very likely cause unintended consequences, including changes in stratospheric ozone concentrations. Stratospheric Aerosol Injection rates sufficient to achieve 0.5 C of global cooling over the period 2020 2040 would result in a reduction of total column ozone close to the minimum values observed between 1990 and 2007. An independent expert review on Solar Radiation Modification research and deployment, UNEP, 2023 Recent studies considering sulphate aerosols indicate that stratospheric ozone depletion would be increased in the polar stratosphere, the Antarctic ozone hole recovery could be delayed by a couple of decades and the ozone hole could become deeper in the first decade of SAI deployment .
Ozone layer modification and Vienna Convention Article 2.1 - has a wide scope and covers all human activities which modify or are likely to modify the ozone layer . This will include SAI as it will likely modify the Ozone layer. Article 2.2 (a) - parties required to co-operate by means of systematic observations, research and information exchange in order to better understand and assess the effects of human activities on the ozone layer and the effects on human health and the environment from modification of the ozone layer . This will include SAI research and associated activities. Article 2.2(c) - parties required to co-operate in the formulation of agreed measures, procedures and standards , which will extend to procedures and standards for SAI research.
Regulating SRM under the Vienna Convention: Key Provisions Article 3 - parties commit to co-operate in, directly or through competent international bodies, the conduct of research and scientific assessments on climatic effects deriving from any modifications of the ozone layer and more specifically substances, practices, processes and activities that may affect the ozone layer, and their cumulative effects . This will include SAI. Annex I - Major scientific issues requiringcooperationare: Modification of the ozone layer which would result in a change in the amount of solar ultra-violet radiation having biological effects (UV-B) that reaches the Earth s surface Modification of the vertical distribution of ozone, which could change the temperature structure of the atmosphere and the potential consequences for weather and climate. The word modification includes deliberate modification , such as through SAI outdoor experiment.
The Duty to Co-operate Duty to co-operate: Recognized principle of international law Requires states to notify and consult other states even ifthey believe that no harm will result or are taking reasonable steps to avoid harm. Complementary to the duty to avoid/prevent transboundary harm. Undertaking SRM research activities without making the scope of and risks associated with the research clear to other states is clearly contrary to the duty to co-operate in Article 2.2(a) and Article 3 of the Convention. The duty to cooperate made explicit under the Convention provides a strong basis to create a cooperative research framework to manage SAI and other ozone-depleting SRM research.
One integrated global regulatory framework/treaty or Regime Complex Criticism of current governance, proposed solutions Fragmented in multiple treaties mix of gaps and overlaps, reducing clarity Need a new integrated global regulatory framework and a new treaty (C2G) Our view: An integrated treaty is not feasible because different SRM technologies have emerged from different field, have different impact profile and requires distinct expertise. A new treaty will exhaust limited time and political capital Multiple treaties not a problem, can regulate distinct SRM technologies.
One integrated global regulatory framework/treaty or Regime Complex Regime Complex multiple treaties operating simultaneously within a particular issue area has advantage over one treaty: They are inherently flexible and adaptable. They allow for experimentation and innovation within individual regimes - successful practices can be shared and adopted by others. Regime complexes also tend toward specialization They are also more inclusive, often involving a diverse set of actors. The Montreal Protocol is itself a classic example of a flexible, inclusive and specialized treaty.
Governance of SAI research under the Vienna Convention Three categories of research indoor, outdoor small-scale & outdoor large-scale. Indoor research (model/simulation, lab-based studies) does not require regulation, but does require norms, guidelines and codes of conduct for research and sharing information. No definition of small-scale and large-scale outdoor experiments UNEP s Independent Expert Review suggests that the distinction between small- scale and large-scale experiments should be based on intent . But intent is not an objective basis for governance. Our proposal: All outdoor research should be governed by internationally agreed norms, guidelines, codes of conduct and best practices for research because: Threshold between small and large-scale is currently unclear. Even small-scale experiments can have transboundary impacts Without governance, research on deployment feasibility is likely to be prioritized; research on adverse impacts will likely be left behind.
Research Assessment Framework under Vienna Convention 1. Information Sharing and Consultation 2. Structured Environmental Impact and Risk Assessment 3. Independent National Oversight 4. An International Approval Process
Information Sharing and Consultation Core of the Vienna Convention Can borrow from phrasing in other regimes, such as: Outer Space Treaty Experiments that would cause potentially harmful interference with activities of other States are subject to prior appropriate international consultation London Protocol on Marine Pollution Research Assessment Framework for ocean-based geoengineering Where the [proposed activity] [ ] may have any effect in any area of the sea in which another State is entitled to exercise jurisdiction or in any area of the sea beyond the jurisdiction of any State, potentially affected countries and relevant regional intergovernmental agreements and arrangements should be identified and notifiedand aplan should be developed for ongoing consultations on the potential impacts, and to encourage scientific cooperation.
Structured Environmental Impact and Risk Assessment Based on similar requirement in the London Convention Research Assessment Framework for Ocean Fertilization Elements of EIRA: Problem Formulation Site Selection and Description Exposure Assessment Effects Assessment Risk Characterization Risk Management
Research Assessment Framework for Ocean Fertilization under the London Convention
Independent national scientific oversight Scientific oversight involves asking the following questions at the national level: The rationale, research goals, scientific hypotheses and methods, scale, timings and locations of proposed experiments, with clear justification for why the expected outcomes cannot reasonably be achieved by other methods. Whether there is any financial and/or economic gain arising directly from the experiment or its outcomes. Whether the proposed experiments has or will go through scientific peer review with the review methodology and outcomes made publicly available. Not enough independent national institutions to ask these questions Funding/supporting research and regulation of research are currently combined; they need to be separated.
Rebooting the existing institutions under the Vienna Convention
Rebooting the existing institutions under the Vienna Convention
Limitations in Using the Montreal Protocol to Regulate SAI Regulating SAI under Montreal Protocol is difficult because: Protocol is designed to phase down controlled substances to levels considered safe, rather than preventing introduction of a new substance. Controlled substance emission during production and consumption research activity is not technically production or consumption. Difficult to set a defined schedule for phasing down of research inputs safe amount is unclear. Vienna Convention has all the elements to govern SAI research.
