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What is Planetary Solvency?
Planetary Solvency is born from the simple but urgent insight that our society and economy depend completely on a stable Earth system: yet most financial and economic decisions still treat climate, nature and systemic risk as peripheral.
This is a precarious assumption, as climate and nature breakdown are no longer isolated environmental issues: they are systemic risks to food, energy, financial markets and security which cascade across borders and asset classes.
To help navigate the looming challenges, Planetary Solvency assesses the ongoing ability of the Earth system to support our human society and economy. For this, we strongly believe that a systems approach is needed.
So we operate as a nexus organisation, weaving a web of unusual connections between risk professionals, scientists, financial institutions, regulators, corporates, policymakers and NGOs, taking a shared, science-informed approach to systemic risk. By blending actuarial rigour with scientific understanding, we work to surface the realistic level of planetary systems risk to financial, economic and policy actors.
While we recognise that unprecedented, irreversible and catastrophic risk events are plausible unless our global trajectory is altered, we also believe that the world has the agency and ability to change course.
So our aim is not simply to warn about risk. It is to give the institutions that allocate capital and shape policy the confidence, evidence and tools to act: enabling resilience, supporting prosperity, and evolving the economy to live in balance with nature.
Planetary Solvency is an independent, non-profit global risk management programme
Founded by the Institute and Faculty of Actuaries (IFoA), in partnership with the University of Exeter’s Global Systems Institute. We are hosted by the Cambridge Institute for Sustainability Leadership (CISL) and funded by the KR Foundation, the Sunrise Foundation and the Friends Provident Foundation.
Our Approach: What We Do
We help senior leaders across finance, government and business visualise and act on rapidly escalating, interconnected climate and nature-driven systemic risks.
We do this through a range of Planetary Solvency-derived initiatives that take well established financial services risk and solvency management techniques and apply them to the Earth system.
We have a number of initiatives in development, all of which are focussed on:
- Educating — building the evidence base and risk literacy through rigorous, scientifically validated research
- Equipping — developing practical tools, scenario workshops and training
- Empowering — building coalitions, accrediting organisations, and giving institutions permission and cover to act
- Encouraging — sparking collaboration by convening scientists, risk professionals, financial institutions, businesses and policymakers within a single working network
We work with existing power, not around it. We’re not looking to build a new financial system; rather equip those within it - boards, governments, pension trustees - to see and manage systemic risk, as clearly as they see credit or market risk.
Through our work, we want to help capital reallocate at scale to activities that restore Earth-system stability, rather than subsidising systemic risk.
Mission
Ensuring planetary solvency to support lasting human prosperity.
Vision
Connecting finance and the economy to the biosphere, so that humanity lives in balance with nature.
Our vision is for financial and economic decisions to work with the Earth system rather than against it: directing capital, innovation, policy and collective effort towards a secure, resilient and prosperous future.
Values
- Collaborative: We listen, learn and work across boundaries to develop better solutions together.
- Risk-led: We assess risk honestly, systemically and courageously—even when the message is uncomfortable.
- Science-informed: We follow the best available evidence, acknowledge uncertainty and change our minds when knowledge evolves.
- Pragmatic: We turn complexity into clear, workable action without compromising our purpose.
- Effective: We pursue real-world impact, measure what matters and choose substance over optics.
- Enthusiasm: We bring energy, imagination, good humour and relentless positivity to difficult work —and enjoy disrupting what is not working.
Team
Planetary Solvency brings together people with experience across Earth-system science, actuarial risk management, finance, policy, business and public engagement:
Jesse Abrams
Science Lead
Jesse is an Assistant Professor at the University of Exeter's Global Systems Institute. His interdisciplinary research focuses on understanding and quantifying human-induced changes on our natural environment, which sits at the critical intersection of Earth system science, climate change, and sustainability solutions.
With over 5,000 citations and 83+ publications, Jesse’s research spans climate science, biodiversity conservation, ecosystem tipping points, and complex systems analysis.
Jenny Poulter
Business Engagement Lead
Jenny has spent over 25 years working in sustainability, thought leadership and systems change, latterly with the advisory firm Volans.
As a former journalist, producer and editorial head of a media start-up, Jenny has led partnerships with many international corporate and academic organisations. Through her experience as co-founder of two leaders’ networks, her interest has crystallised around how to spark meaningful relationships and collaboration across silos - key to moving the post-sustainability world towards repair and regeneration.
Alex Wilks
Governance and Network Lead
Alex is a campaigner and researcher who has worked on climate issues since the early 1990s. For a decade he led international civil society coalitions which called on the World Bank, IMF and other financial institutions to act in favour of the global south. Later at Avaaz he contributed to a two-year push to show that citizens wanted what became the Paris Agreement. More recently - with both Sunrise Project and Client Earth - he has worked to challenge pension funds to act on climate risk.
Alex also sings (bass) with the Climate Choir Movement and is part of the core group that organises its actions.
Oliver (Ollie) Cronk
Technology Lead (Fractional CTO)
Ollie is an independent Chief Architect and the founder of Cronk Advisory, working across responsible tech and sustainability. He leads the team providing Planetary Solvency digital foundations, building the website, tools and platforms.
A long-standing advocate for sustainable technology, part of the UK Government Digital Sustainability Alliance (GDSA) and is a key part of the team developing the Digital Impacts Schema and Taxonomy (DIST), an open framework helping organisations categorise and report the environmental impacts of their digital technology. He is also the founder and co-host of Architect Tomorrow.
Ollie is a keen Cyclist and Photographer.
Gareth Slevin
Actuarial Intern
Gareth is our Actuarial Intern, currently pursuing a multi-institution MSc in Green Energy Markets & Finance across several of Europe's top-ranked universities. Equipped with a First Class Honours degree in Actuarial & Financial Studies, his work focuses on the critical intersection of climate science and finance.
Outside of his professional work, Gareth is an adventure sports enthusiast who enjoys skiing, scuba diving and hiking. He also recently completed the Murcia Marathon to raise funds for cancer support.
Fellows
Sandy Trust
Fellow
Sandy is a Scottish sustainability actuary who developed the Planetary Solvency concept and has led the research agenda since the first report in 2022, pioneering the collaborative approach that defines our working style. He brings over 20 years’ financial services experience across pensions, savings and investment, including advising several regulatory and policy climate initiatives.
Sandy previously set up the UK branch of the climate change action charity Protect Our Winters UK.
Oliver Bettis
Fellow
Oliver is an actuary working in the City of London for a general insurance company. He was elected in 2022 to the governing council of the Institute & Faculty of Actuaries (IFoA).
Oliver has a strong interest in climate change and sustainability, and has worked in this field for nearly two decades. He is a co-author of three of the flagship reports produced by the IFoA and the University of Exeter - Planetary Solvency, Climate Scorpion and Parasol Lost.
Amos Wittenberg
Fellow
Amos leads Human Influence research, engineering, and mobilisation at the UK's AI Security Institute.