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United Kingdom 2026

United Kingdom

The United Kingdom enters 2027 having cut its territorial emissions by 53% since 1990, to 373 Mt CO₂e in 2024, and closed its last coal-fired power station in September 2024. Its climate risks have moved from projection to record.

Bevindinge
12
each with its status and source
Sectors with findings
6 of 6
on the sector hexagon
Risk objects
4
order carries no rank
Bronne
40
Evidence close 30 September 2026

01 · Readings

United Kingdom in six readings.

Six readings that frame the baseline, and the eight questions this edition answers, each with its status and source.

  • 68.3millionpopulation, mid-2023 [13]
  • 373Mt CO₂eemissions, 2024 [1]
  • 10.03°Cmean temperature, 2022 record [29]
  • ≈60%of food produced domestically [14]
  • 89risksin the National Risk Register [7]
  • 61risks and opportunitiesin CCRA3 [4]

02 · Sectors

Six sectors, one hexagon.

Water first, then Energy, Infrastructure, Food, Health and Biodiversity. Each count is the findings of this edition in that sector: coverage of the evidence, never a score.

  1. WATWater3 findings

    ≈5 bn litres/day Projected public water-supply shortfall, England, 2055. Scenario

    Flood exposure rising; supply shortfall projected in the South and East; river quality under strain.

  2. ENEEnergie1 finding

    373 Mt CO₂e Territorial emissions, 2024. Reported

    Coal ended in 2024; clean power planned for 2030; grid more central as demand electrifies.

  3. INFInfrastruktuur1 finding

    Lifelines interdependent; single points of failure exposed in 2025.

  4. FOOVoedsel1 finding

    ≈60% Share of food consumed that is produced domestically, 2023. Reported

    About 60% of food produced domestically; exposed to import and energy prices.

  5. HLTGesondheid1 finding

    2,985 deaths Heat-associated deaths, England, 2022. Reported

    Heat deaths rising; heat and cold load the NHS and social care.

  6. BIOBiodiversiteit1 finding

    −19% Average change in abundance of studied species, 1970–2021. Reported

    Species abundance down 19% since 1970; habitats fragmented.

Outside the six sectors: Climate forcing 2, Governance 1, Systemic 1.

03 · Hazard exposure

The hazards this edition reads.

The edition’s own risk objects, in its order, each read across driver, exposure, vulnerability, capacity, cascade and horizon. The hexagon marks the sectors the cascade reaches; the domain beside each is an editorial reading of its hazard words.

  • RSK-GBR-CLI-001

    Extreme heat

    ReportedEQL 4

    Driver
    heatwaves above 35–40 °C
    Exposure
    older people; care homes; dense cities
    Vulnerability
    housing not designed for heat; limited cooling
    Capacity
    heat-health alerts; NHS surge planning
    Cascade
    CLI → HLT · CLI → INF rail and power
    Horizon
    seasonal

    Atmosfeer en weer

  • RSK-GBR-CLI-002

    Surface-water and river flooding

    ReportedEQL 4

    Driver
    extreme rainfall; storm sequences
    Exposure
    6.3 million properties in England [8]
    Vulnerability
    urban drainage capacity; cover affordability
    Capacity
    flood warnings; defences; Flood Re [21]
    Cascade
    WAT → INF, HLT, FIN
    Horizon
    annual

    Water systemsAtmosfeer en weer

  • RSK-GBR-WAT-003

    Drought and water-supply shortfall

    ScenarioEQL 3

    Driver
    dry summers; population growth
    Exposure
    South and East of England
    Vulnerability
    leakage; limited storage
    Capacity
    new reservoirs; transfers; demand management [9]
    Cascade
    WAT → HLT, FOO, BIO
    Horizon
    5–30 years

    Water systems

  • RSK-GBR-INF-004

    Single points of failure in lifelines

    ReportedEQL 3

    Driver
    fire, flood or cyber event at a critical node
    Exposure
    airports, hospitals, data centres, rail
    Vulnerability
    limited redundancy at key substations [19]
    Capacity
    resilience framework [27]; backup supply
    Cascade
    ENE → INF → DAT, TRD
    Horizon
    any time

    Land and ecosystemsWater systems

Scenario · SCN-GBR-HDS-01

Hot, dry summer in southern England

Under this scenario, results describe a conditional season under stated assumptions. It is not a forecast, and no intervention described here has been carried out.

5 of 12 findings name a hazard in their text. Show them

  1. 1CLI → WATlow rainfall and heat cut river flows and reservoir levels
  2. 2CLI → HLTheat deaths and emergency demand rise
  3. 3CLI → BIOgrassland and heath fires near cities
  4. 4CLI → INFrail speed restrictions and track failures
  5. 5WAT → HLThosepipe bans; river quality falls
  6. 6ENE → HLTcooling demand meets constrained networks

04 · Couplings

How the sectors carry risk into each other.

The United Kingdom matrix types the twenty couplings between the five core stelsels. Strengths are Nexus estimates from the cited evidence and analogue events; they set the starting graph that the Q1 2027 Foundry cut will test.

Coupling matrix, from row to column
FromWATENEFOOHLTBIO
WAT·ModerateStrongModerateStrong
ENEModerate·StrongStrongModerate
FOOModerateWeak·StrongStrong
HLTWeakWeakModerate·Weak
BIOStrongModerateStrongModerate·

Water: 4 couplings out, 4 in; Energy: 4 couplings out, 4 in; Food: 4 couplings out, 4 in; Health: 4 couplings out, 4 in; Biodiversity: 4 couplings out, 4 in. Infrastructure is not in the coupling matrix: none of the edition matrices types it, so it carries no value.

Cascade paths, in the edition’s order

  1. CLI → WAT → HLTheat and drought strain supply and river quality while health demand peaksReported
  2. ENE → INF → DATa single substation failure halts an airport and dependent servicesReported
  3. CLI → WAT → FINsurface-water flooding lands on households with costly coverInferred
  4. ENE → FOOenergy and import prices pass into food pricesInferred
  5. WAT → BIOstorm overflows and low flows degrade riversReported

05 · Findings

Every finding of United Kingdom.

Search, filter by sector, system or status, and sort. The address bar keeps the view, so a filtered list can be shared. Every row opens the finding at its source.

All 12 findings

Findings of United Kingdom
IDEditionSector or systemStatusStatement
CLI-001United KingdomCLI Climate forcing ReportedTerritorial greenhouse-gas emissions were 373 Mt CO₂e in 2024, 3% below 2023 and 53% below 1990.
ENE-002United KingdomENE Energie ReportedThe UK’s last coal-fired power station closed in September 2024, ending 142 years of coal power.
CLI-003United KingdomCLI Climate forcing Reported2022 was the first year with a UK mean temperature above 10 °C, and 40.3 °C was recorded on 19 July 2022.
HLT-004United KingdomHLT Gesondheid ReportedAbout 2,985 heat-associated deaths were recorded in England in summer 2022.
WAT-005United KingdomWAT Water ScenarioEngland faces a public water-supply shortfall of nearly 5 billion litres a day by 2055 without new action.
WAT-006United KingdomWAT Water ReportedAbout 6.3 million properties in England are in areas at risk of flooding, potentially around 8 million by 2050.
WAT-007United KingdomWAT Water ReportedStorm overflows in England spilled more than 460,000 times in 2023.
FOO-008United KingdomFOO Voedsel ReportedThe UK produces around 60% of the food it consumes.
BIO-009United KingdomBIO Biodiversiteit ReportedStudied species have declined in abundance by 19% on average since 1970; one in six is at risk of extinction in Great Britain.
INF-010United KingdomINF Infrastruktuur ReportedA substation fire closed Heathrow Airport for most of 21 March 2025, showing single points of failure in kritieke infrastruktuur.
GOV-011United KingdomGOV Bestuur ReportedThe third UK climate risk assessment identified 61 risks and opportunities; the National Risk Register 2023 sets out 89 risks.
SYS-012United KingdomSYS Systemic Expert inputThe leading compound pathway for 2027 testing is a hot, dry summer in which heat, drought, water shortage and grassland fires load health, water, rail and power at once.

06 · Editions and calendar

The desks’ editions for United Kingdom.

The desks’ editions for United Kingdom
DeskEditionStateIdentifier
GCRI Systems EvidenceUnited Kingdom 2026Drafted, in stewardship reviewNR-COUNTRY-GBR-2026-BASELINE-v1.0.0
GRF Public DeliberationPublic Deliberation: United Kingdom 2026In preparation
GRA Capital ReadinessCapital Readiness: United Kingdom 2026In preparation
Standards ProgressNo edition in the 2026 Baseline cycleNot in this cycle
Academy CapabilityNo edition in the 2026 Baseline cycleNot in this cycle
Index MeasurementMeasurement: United Kingdom 2026In preparation

Calendar · 2026 Baseline

  1. 01Call opensset by the editor
  2. 02Contribution closeset by the editor
  3. 03Evidence close30 September 2026
  4. 04Desk review and releaseset by the editor
  5. 05Collection compilationset by the editor
  6. 06Collection releaseset by the editor
  7. 07Regstellingsafter release, as needed

Evidence cut NQ-GBR-2026-Q0-1. Next cycles: Q1 2027, Q2 2027, Q3 2027, Q4 2027; their dates are set by the editor.

07 · Take part

Read it, improve it, cite it.

Corrections log

Versions and corrections
VersionDateStateChangeNotice
NR-COUNTRY-GBR-2026-BASELINE-v1.0.0October 2026DRAFTBaseline Edition 2026, inaugural annual edition,none
Data gaps2What the repository does not hold yet, and the source proposed for each
Data gaps and proposed sources
GapShown here asProposed source
Exposure values per hazard (people, assets, hectares)the edition’s own risk objects, without valuesthe Index country profile once the Index releases values, risksindex.com/gbr/
The NHS-1 hazard types and their assignment to this edition’s risk objectsan editorial reading of the hazard wordsthe NHS-1 type assignment through the Registry
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