What post-1.5°C means for Africa
Navigating climate overshoot, rising risk and Africa's choices now
Africa does not simply need more climate projects. It needs stronger systems that connect climate finance, institutions, infrastructure, knowledge and communities.
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The numbers behind the conversation
Chance that at least one year between 2026 and 2030 is more than 1.5°C warmer than pre-industrial levels.
(WMO, Global Annual to Decadal Climate Update)Minimum projected peak warming even if every current national climate plan is fully implemented.
(UNEP, Limiting Overshoot (2026))Adaptation finance Africa received in 2023, against estimated needs of at least $70 billion a year.
(GCA and CPI (2025))Share of reported climate finance, 2016–2023, described as locally or community led.
(IIED (2025))A single hot year is not overshoot. Overshoot is a pathway that unfolds over decades: average temperatures exceed 1.5°C, reach a peak, and may later return below it. 2024 was the first calendar year above 1.5°C. For African decision-makers, the questions are how high the peak will go, how long it will last, and who will bear the losses in between.
For many communities, post-1.5°C is already here.
Hindou Oumarou Ibrahim opened with Chad. The rains that were due between July and September did not come; when they finally arrived in October, they brought floods. What follows a season that moves is food insecurity, competition over resources and land degradation, borne by people who did least to cause the warming.
"1.5 is not only a number for us, it's about the life of the peoples."
Climate shocks do not stay in one place. They cascade.
Dr. Edmond Totin asked participants to stop treating warming above 1.5°C as a series of extreme weather events. A drought reduces crop yields; lower yields raise food prices; higher prices cut household income, and with it spending on schooling and health. In dryland regions these pressures compound with competition over water and land, and with shocks that have nothing to do with climate.
"It's not only the 1.5 coming as a single event, but how it cascades and compounds with other non-climatic risks."
Africa cannot keep building for yesterday's climate.
Professor Richard Dawson, a contributing author of the UNEP report, argued that infrastructure built now will still be operating decades from now, so historical conditions can no longer serve as the design baseline. Transport, energy, water, food distribution and health services work as connected systems and should be planned that way. Because much of Africa's infrastructure is still to be built, resilience can be designed in from the start rather than retrofitted later.
"Crossing 1.5 degrees, even temporarily, is not really a future problem. It is a problem today."
Local knowledge is adaptation infrastructure.
Around Lake Chad, Hindou described how knowledge passed down through generations is being combined with science through participatory 3D mapping, used to locate degraded land, plan restoration and manage shared resources. She tied this directly to peace: communities competing over shrinking water and land can turn on each other, and armed groups exploit the gap. She has briefed the UN Security Council three times on climate and security.
"Climate and insecurity are inseparable. They are linked."
Climate finance is about who decides, not only how much.
The panel agreed that Africa's finance problem is one of architecture and control as well as quantity. Hindou described access rules that require governments to complete thousands of pages, leaving Indigenous peoples further behind still, and called for direct-access windows, including for loss and damage. Responding to an audience question, Professor Dawson noted that the countries that contributed least to climate change can face some of the highest costs of capital, and argued for a shift from avoiding risk to managing and sharing it.
"It's not a charity for us, it is a matter of justice."
An adaptation option that works on paper can fail in practice.
Dr. Totin warned that options such as shorter-duration crop varieties reduce risk only if farmers can reach the seed and afford it; otherwise they become maladaptive. He is leading the Africa chapter of the IPCC's Seventh Assessment Report, where equity and social justice will count in judging whether adaptation is effective, and he asked researchers to let communities define success rather than designing it for them.
"The options or adaptation responses are available, but they can be maladaptive in practice because people cannot afford them."
For governments, funders and practitioners
Which infrastructure now being financed in your country is designed for a climate that will no longer exist?
Who decides how adaptation finance is spent where you work, and how much of it can a community actually reach?
Which local knowledge is already reducing climate risk in your area, and who records and protects it?
How would you tell whether a community is adapting, or only coping with more frequent shocks?
- Treat it as a present risk. For communities in the Sahel and elsewhere, shifted seasons, floods and food insecurity are already here.
- Plan for cascades, not single events. Risks to food, income, health, security and infrastructure move together and need joint planning across institutions.
- Change who decides. Finance that communities cannot reach does not build resilience, whatever its size.
- Judge adaptation by who it reaches. Affordability and access belong in the test of whether an option works.
Immediate response
- Treat shifted seasons, floods and food insecurity as current emergencies in plans and budgets
- Protect access to water, land and food where scarcity is already driving conflict
- Direct support to Indigenous and local responses that are already working.
Coping and containment
- Open direct-access finance windows for Indigenous peoples and local actors, including for loss and damage
- Simplify access requirements and track how much finance reaches the local level
- Test adaptation options for affordability and reach before scaling them.
Long-term resilience
- Design infrastructure for the range of climates it will face, and plan it as connected systems
- Teach core climate design skills to every engineer and planner
- Shift finance from avoiding risk to managing and sharing it
- Recognise and protect Indigenous knowledge, with decision-making power for those who hold it.
Hindou Oumarou Ibrahim
President, Association for Indigenous Women and Peoples of Chad (AFPAT)Professor Richard Dawson
Dean of Research and Innovation, Newcastle University · Contributing author, UNEP Limiting OvershootDr. Edmond Totin
Université Nationale d'Agriculture, Benin · Coordinating Lead Author, IPCC AR6 Africa chapterA'aron John
Founder and Executive Director, CCAIE · ModeratorQuotations are taken from the session recording and lightly edited for readability. Figures were checked against the sources listed here.
Sources
- UNEP (2026). Limiting Overshoot: Navigating exceedance of 1.5°C and pathways towards return. doi.org/10.59117/20.500.11822/49857
- WMO. Global Annual to Decadal Climate Update, 2026–2030.
- IPCC (2022). Climate Change 2022: Impacts, Adaptation and Vulnerability, Chapter 9: Africa. ipcc.ch
- Global Center on Adaptation and Climate Policy Initiative (2025). Adaptation Finance Flows to Africa: State and Future Trends.
- IIED (2025). Locally implemented or locally led? Tracking finance for community climate action. iied.org/22674iied
- World Bank (2023). Cities key to solving the climate crisis.
- EIB and UN-Habitat (2020). Africa Day 2020. eib.org
- Session recording and transcript, Climate Readiness Series, 2 October 2026.