Denmark's Climate Reality: Act Now or Pay Later
Denmark faces an unprecedented convergence of climate risks: rising seas, rising groundwater, and intensifying rainfall. This brief presents the evidence, the costs, and the policy actions needed -- drawn from DTU, DMI, Nationalbanken, and IPCC data.
At a Glance
over 100 years
with zero insurance
permanent flooding
in flood zones
annual flood adaptation budget
saves DKK 179B
Current annual flood costs are approximately DKK 7 billion per year, rising to DKK 12 billion by 2050 and DKK 27 billion by 2100. Five hundred thousand buildings are at risk of flooding in the next 50 years -- roughly one in five Danish homes. The government committed DKK 14.9 billion for coastal protection (2029-2040), but this covers only a fraction of projected damage.
Cost of Inaction vs Action
| Investment | Cost | Avoided Damage | Return |
|---|---|---|---|
| 20-year rain protection | DKK 69 billion | DKK 112 billion | 1.6x |
| 100-year storm surge protection | DKK 37 billion | DKK 67 billion | 1.8x |
| Total combined | DKK 106 billion | DKK 179 billion | 1.7x |
Every krone we invest in flood protection today saves nearly two kroner in avoided damage. We know this because DTU has calculated it: DKK 106 billion in protection saves DKK 179 billion in destruction.
Policy Asks
- Accelerate the DKK 14.9 billion coastal protection plan -- front-load investment to 2026-2035
- Mandate municipal flood risk assessments with binding timelines
- Establish a national flood early warning system (DKK 190 million allocated, operational 2026 -- ensure delivery)
- Create a dedicated national flood protection fund with guaranteed annual appropriation
Germany's Ahrtal lesson: The 2021 Ahr valley floods killed 190 people and caused more than EUR 33 billion in damage -- in a single event in a single river valley. Germany then spent EUR 30 billion on reconstruction via the federal-state "Reconstruction Aid 2021" fund. Denmark's entire coastline is at risk. Waiting for our own Ahrtal moment is not a strategy.
Copenhagen's cloudburst plan alone costs DKK 11 billion. 30% of Denmark's area is vulnerable to flooding from storm surges, cloudbursts, and rising groundwater.
More than 440,000 year-round homes are threatened by combined water hazards -- storm surges, heavy rain, prolonged rain, and rising groundwater -- and there is zero insurance coverage for groundwater flooding specifically. The Naturskadesordningen (DKK 30/year) covers storm surge only. Private flood insurance is essentially unavailable in Denmark. This is the single largest uninsured climate risk in the country.
Cost of Inaction vs Action
| Scenario | Cost per Property | Scale |
|---|---|---|
| Basement waterproofing (individual) | DKK 50.000 - 150.000 | 440,000+ homes |
| Foundation repair on clay soil | DKK 100.000 - 500.000+ | Uninsured |
| Expanded national insurance | Premium increase from DKK 30/yr | All fire-insured |
More than 440,000 Danish homes face combined water hazards. When groundwater rises into their basements, there is no insurance to cover it. Not the national scheme. Not private insurers. Nothing. This is a policy gap we must close.
Policy Asks
- Expand Naturskadesordningen to cover groundwater flooding (will require premium increase from DKK 30/year)
- Establish a national groundwater monitoring and mapping programme (build on GEUS data)
- Create grant/loan schemes for household-level groundwater protection measures
- Mandate groundwater risk disclosure in property transactions
Groundwater tables have risen significantly over recent decades across Denmark. CONCITO estimates over 440,000 year-round homes are potentially affected by combined water hazards (storm surges, heavy rain, prolonged rain, and rising groundwater). Individual remediation is prohibitively expensive and creates an unequal burden -- homeowners in the cheapest, most vulnerable areas are least able to afford protection.
DMI projects 0.55-0.81 m of sea level rise by 2100 depending on emissions scenario. At +0.5 m, storm surges reach 50% more properties with 18,100 hectares permanently flooded by 2070. Denmark's 7,314 km coastline and average elevation of just 31 m make this an existential national issue. Southern Denmark faces additional land subsidence of 1-2 mm/year.
Sea Level Rise Projections (SSP2-4.5)
| Year | Sea Level Rise | Key Threshold |
|---|---|---|
| 2030 | +6 cm | Early warning systems operational |
| 2050 | +22 cm | 500,000 buildings enter flood risk zone |
| 2070 | +42 cm | 18,100 ha permanently flooded; 76 municipalities affected |
| 2100 | +64 cm | Fundamental coastal defense or retreat decisions required |
The sea does not negotiate. It does not wait for the next election cycle. DMI tells us we face up to 64 centimeters of sea level rise this century -- and that is the moderate scenario. Seventy-six of our ninety-eight municipalities will face permanent flooding. The question is not whether to act, but whether we act now at manageable cost or later in crisis.
Policy Asks
- Mandate 100-year sea level rise planning horizons for all coastal infrastructure
- Establish "no new build" zones in areas below +1.5 m where protection is not economically viable
- Create a national managed retreat framework for the most exposed communities
- Commission a Danish Delta Programme (modeled on the Netherlands) with guaranteed multi-decade funding
At +1.0 m sea level rise, 72,700 hectares would be flooded and approximately 2% of homes face direct risk (Bjerager et al. 2024). The 76/98 municipalities and 18,100 hectares figures come from this peer-reviewed GIS study using DMI sea level scenarios. Lolland-Falster is severely impacted. Major infrastructure projects are underway: Lynetteholmen (Copenhagen, EUR 2.7 billion storm surge barrier + housing) and Holmene (Hvidovre, EUR 425 million, 9 artificial islets, 5.5 m above sea level).
Denmark charges DKK 30 per year for storm surge insurance -- a premium set for a different climate era -- in a country facing DKK 406 billion in flood damage. Coverage triggers only when water exceeds a 20-year return period event. Major gaps: no coverage for cloudbursts, groundwater flooding, or gradual sea level inundation. No price signal discourages construction in flood zones.
International Comparison
| Country | Model | Key Feature | Lesson |
|---|---|---|---|
| Netherlands | Government guarantee + levies | Delta Fund EUR 1.25 bn/year | Dedicated long-term fund |
| UK | Flood Re (transition) | Cross-subsidy, time-limited | Transition mechanisms work |
| Germany | Private market | Low penetration pre-2021 | Waiting for disaster costs more |
| EU | EIOPA proposal (2024) | EU-level catastrophe backstop | Shape it, do not wait for it |
We charge thirty kroner a year for flood insurance. Thirty kroner. That is less than a cinema ticket. Meanwhile DTU tells us we face four hundred billion kroner in flood damage. The maths does not work. We need insurance that reflects reality -- and covers the risks people actually face.
Policy Asks
- Reform Naturskadesordningen: expand coverage to include cloudbursts and groundwater; increase premiums to sustainable levels
- Introduce risk-based pricing signals (higher premiums in flood zones) alongside affordability protections
- Mandate climate risk disclosure in all property sales (parallel to energy performance certificates)
- Engage proactively in EU-level catastrophe insurance design (EIOPA process)
Flood-risk properties already sell at a 6% discount; future-risk properties at 3-4% discount (Nationalbanken Economic Memo No. 7, 2021, by Giorgio Mirone). Nationalbanken estimates DKK 198 billion in exposed mortgage lending by end of century under climate change scenarios. Currently there is no mandatory climate risk disclosure in property transactions.
Current building code (BR-18) focuses on energy efficiency and carbon lifecycle -- not flood resilience. The Planning Act requires municipalities to identify flood risk areas, but imposes no binding construction standards. No mandatory backwater valves, raised ground floors, or water-resistant materials in flood-risk areas. Individual adaptation costs range from DKK 5,000 for a backwater valve to DKK 500,000+ for foundation repair.
Cost of Prevention vs Repair
| Measure | Cost | Damage Prevented |
|---|---|---|
| Backwater valve | DKK 5.000 - 15.000 | Sewage flooding (DKK 50,000+) |
| Basement waterproofing | DKK 50.000 - 150.000 | Structural damage (DKK 200,000+) |
| Foundation repair on clay | DKK 100.000 - 500.000+ | After-the-fact, uninsured |
We require energy certificates before you can sell a house. We mandate smoke detectors. But we do not require a five-thousand-krone backwater valve that prevents tens of thousands of kroner in sewage flooding. Building codes must catch up with climate reality.
Policy Asks
- Mandate backwater valves in all buildings in identified flood risk zones
- Require flood risk assessments and minimum resilience standards for new construction in risk areas
- Create a "climate resilience certificate" for property transactions (like the energy certificate)
- Establish grant programmes for household-level climate-proofing
- Update BR-18 to include physical climate resilience requirements, not just energy/carbon
The 2024 supplementary agreement tightens CO2e limits (12.0 kg CO2e/m2/year for buildings larger than 1,000 m2) but adds nothing on physical climate resilience. Copenhagen's 1.3 km lake-to-harbour tunnel (opening 2026) demonstrates what infrastructure-level investment looks like, but household-level resilience measures remain voluntary.
Denmark achieved a 44.7% GHG reduction from 2005-2023 (EU average: 30.5%) and is highest-ranked in the Climate Change Performance Index 2025. But a 2.6 million tonne CO2e gap remains to the legally binding 70% reduction target by 2030. The world's first agricultural CO2 tax (headline DKK 300/tonne from 2030, effective DKK 120/tonne after 60% deduction; rising to DKK 750/tonne by 2035, effective DKK 300/tonne) is expected to close most of the gap -- if it launches on schedule.
Progress and Risk
| Measure | Expected Impact | Status |
|---|---|---|
| Agriculture CO2 tax | -1.8 Mt CO2e by 2030 | Agreed; DKK 300/t headline (DKK 120/t effective after 60% deduction) from 2030 |
| "Green Denmark" agreement | DKK 43 billion, 1 billion trees | 20-year programme |
| Implementation delays | Gap remains open | DCCC October 2024 warning |
Denmark leads the world on climate ambition. We are number one in the global performance index. But ambition without execution is just a speech. The Climate Council warns of implementation delays. We must deliver, not just promise.
Policy Asks
- Ensure the agricultural CO2 tax launches on schedule in 2030 with no further weakening
- Accelerate transport decarbonization (road pricing for trucks launched 2025 -- expand to broader measures)
- Monitor implementation gaps quarterly, not annually
- Maintain Denmark's leadership position -- the world is watching
The Climate Act (2020) sets legally binding targets: 70% GHG reduction by 2030 (vs 1990) and climate neutrality by 2050. Key emitting sectors: transport 27%, agriculture 27%. The agricultural CO2 tax headline rate is DKK 300/tonne from 2030 with a 60% basic deduction (effective rate DKK 120/tonne), rising to DKK 750/tonne from 2035 (effective DKK 300/tonne). This tripartite agreement was announced June 24, 2024 and is being converted to legislation. DCCC warned in October 2024 of "high risks of potential delays in implementation." Denmark ranks 4th in CCPI 2025 (positions 1-3 are left vacant by design), making it the highest-ranked country.
Denmark must comply with a cascade of EU climate and environment legislation with near-term deadlines. These are not aspirations -- they are legal obligations. Missing them means infringement proceedings and losing credibility as Europe's climate leader.
EU Compliance Deadlines
| EU Law | Denmark Obligation | Deadline |
|---|---|---|
| European Climate Law | Net-zero by 2050; 55% GHG reduction by 2030 | Ongoing |
| Fit for 55: ETS | 100% maritime transport allowance surrender | 2026 |
| Fit for 55: CBAM | Carbon Border Adjustment Mechanism fully operational | 2026 |
| Nature Restoration Law | Submit National Restoration Plan; restore 30% degraded habitats by 2030 | Plan by Sept 2026 |
| EU Floods Directive | Updated flood risk maps and management plans | Cycle 3: 2022-2027 |
| Social Climate Fund | Ensure fair transition for vulnerable households | 2026 |
These are not aspirations. They are legal obligations. Denmark has deadlines in 2026 for energy savings, carbon border mechanisms, and a national restoration plan. Missing them means infringement proceedings -- and losing our credibility as Europe's climate leader.
Policy Asks
- Establish a cross-ministry EU compliance coordination unit
- Begin National Restoration Plan development immediately (September 2026 deadline)
- Ensure CBAM and maritime ETS implementation infrastructure is ready for 2026
- Align domestic adaptation planning with EU Floods Directive Cycle 3 requirements
Additional obligations include Fit for 55 energy savings targets (1.5% annual savings 2026-2027, rising to 1.9% for 2028-2030) and alignment with the EU Adaptation Strategy for national adaptation plans. The Nature Restoration Law entered force in August 2024 and requires 25,000 km of free-flowing rivers at EU level.
Flood-risk properties sell at a 6% discount today; future-risk properties at 3-4% discount. Nationalbanken estimates DKK 198 billion in exposed mortgage lending over the next 50-80 years. Denmark had the highest climate-related economic losses per capita in Europe (EEA). 80% of flood damage costs concentrate on 10-20% of properties.
The Wealth Redistribution Risk
| Indicator | Current | Projected |
|---|---|---|
| Homes at flood risk | 0,9-1,2% | ~2% by 2071 |
| Assets at risk growth | Current baseline | +50% over coming decades |
| Flood-risk property discount | 6% | Widening |
| Future-risk property discount | 3-4% | Widening |
The National Bank has identified nearly two hundred billion kroner in mortgage exposure to flood risk. This is not just an environmental issue. It is a financial stability issue. Every year we delay adaptation, more homeowners face uninsurable losses and falling property values.
Policy Asks
- Mandate climate risk disclosure in property transactions
- Commission a national property climate risk register (Saferland-style assessment for every address)
- Integrate climate risk into financial supervision (building on Nationalbanken's 2021 analysis)
- Create transition support for homeowners in areas where adaptation is not cost-effective (managed retreat assistance)
The ECB has identified three climate-driven inflation channels: climateflation (direct damage), fossilflation (energy volatility), and greenflation (transition costs). A 2% interest rate increase on a typical DKK 2 million mortgage adds DKK 40,000 per year. Climate risk is already being priced into the Danish property market, but without transparency or coordination.
Denmark achieved 88.4% renewable electricity in 2024 -- the highest in the EU. The path to 100% by 2030 and carbon neutrality by 2045 requires EUR 175-300 billion in total investment across generation, grid, storage, and Power-to-X infrastructure. This section compares all viable technologies on cost, land use, and Danish relevance to inform optimal allocation.
in 2024 (EU #1)
target year
needed (2025-2050)
Denmark's 2024 Electricity Mix
2030 & 2050 Targets
2030
- Renewable electricity 100%
- Offshore wind 12.9-18 GW
- Solar PV 20 GW
- GHG reduction vs 1990 70%
- Electrolysis (PtX) 4-6 GW
2050
- Offshore wind 35 GW
- GHG reduction vs 1990 110% (net neg.)
- North Sea cooperation 300 GW shared
- Climate neutrality 2045
Technology Comparison
| Technology | LCOE (EUR/MWh) | CAPEX (EUR/MW) | Capacity Factor | MW/km² | Maturity | DK Relevance |
|---|---|---|---|---|---|---|
| Onshore wind | 38-52 | 1.1-1.4M | 28-34% | 5-8 | Mature | Core pillar |
| Offshore wind (fixed) | 48-72 | 2.5-3.8M | 43-52% | 3-6 | Mature | Strategic priority |
| Offshore wind (floating) | 80-130 | 3.5-5.5M | 45-55% | 3-5 | Emerging | Post-2030 |
| Solar PV (utility) | 35-55 | 550-800k | 10-12% | 30-50 | Mature | Rapid growth |
| Solar PV (rooftop) | 65-100 | 900k-1.4M | 10-11% | N/A | Mature | Distributed |
| Biomass CHP | 70-110 | 2.5-4.0M | 70-85% | 0.5-2 | Mature | District heating |
| Biogas | 80-120 | 3.0-5.0M | 80-90% | 1-3 | Mature | Agri synergy |
| Geothermal (deep) | 40-70 | 5-10M | 85-95% | 100-500 | Emerging (DK) | High potential |
| Nuclear (SMR) | 70-130 | 5-8M | 85-92% | 200-600 | Pre-commercial | Under study |
| Wave energy | 200-500 | 5-15M | 25-35% | 5-10 | Pilot stage | R&D leader |
| Tidal energy | 150-400 | 4-10M | 20-30% | 10-50 | Pilot stage | Limited |
| Green hydrogen (PtX) | 120-200* | 600k-1.2M | 40-60% | 50-100 | Early commercial | Strategic priority |
| Large heat pumps | 25-45** | 500-800k | 90-95% | 100-500 | Mature | District heating |
*Hydrogen: cost of energy equivalent, not electricity. **Heat pumps: heat-equivalent cost (COP 3-4).
Sources: IRENA 2024, Danish Energy Agency Technology Catalogue 2024-25, IEA WEO 2024.
Cost-Effectiveness Ranking (by LCOE)
| # | Technology | LCOE (EUR/MWh) | Notes |
|---|---|---|---|
| 1 | Solar PV (utility) | 35-55 | Lowest CAPEX but low DK capacity factor |
| 2 | Onshore wind | 38-52 | Proven, excellent DK resource |
| 3 | Offshore wind (fixed) | 48-72 | Denmark's strategic advantage |
| 4 | Geothermal (heat) | 40-70 | Heat only; extremely competitive |
| 5 | Biomass CHP | 70-110 | Dispatchable but fuel costs volatile |
| 6 | Nuclear SMR | 70-130 | Unproven; earliest 2038+ |
| 7 | Biogas | 80-120 | Agricultural synergy value |
| 8 | Offshore wind (floating) | 80-130 | Post-2030 technology |
| 9 | Tidal | 150-400 | Limited DK resource |
| 10 | Wave | 200-500 | Pre-commercial |
Land-Efficiency Ranking (by MW/km²)
| # | Technology | MW/km² | Notes |
|---|---|---|---|
| 1 | Nuclear SMR | 200-600 | Highest density by far |
| 2 | Geothermal | 100-500 | Minimal surface footprint |
| 3 | Large heat pumps | 100-500 | Compact installations |
| 4 | Solar PV (utility) | 30-50 | Moderate; agrivoltaics help |
| 5 | Onshore wind (direct) | 5-8 | 95%+ of land remains usable |
| 6 | Offshore wind | 3-6 | Seabed, not land |
| 7 | Biomass (plant only) | 0.5-2 | Plant small; fuel needs vast land |
| 8 | Wave/tidal | 5-50 | Seabed |
Investment Phases (2025-2050)
Phase 1: 2025-2030 — Sprint to 100% Renewable Electricity
Offshore wind +10-15 GW (incl. energy islands), Solar PV +16 GW, Onshore wind +3-5 GW, Grid expansion 2,700 km, PtX 4-6 GW electrolysis, hydrogen pipeline to Germany (133 km), heat pump & geothermal scale-up, battery storage.
Phase 2: 2030-2040 — System Integration & Export
Offshore wind +10-17 GW (incl. floating), North Sea artificial island (10 GW hub), Solar +10-15 GW, grid reinforcement 3,000-4,000 km, PtX scale-up +5-10 GW, Nuclear SMR first units (if approved), long-duration storage.
Phase 3: 2040-2050 — Net Negative & Export Superpower
Offshore wind reaching 35 GW total, CCS integration, sector coupling optimization, infrastructure repowering & maintenance.
Denmark generates 88% of its electricity from renewables -- the highest share in Europe. But the hardest part is not the next 12%. It is building the grid, the storage, and the export infrastructure to turn Denmark's wind into Europe's green fuel. That requires EUR 230 billion of investment over 25 years, at just 2.5% of GDP annually.
Policy Recommendations
- Accelerate offshore wind deployment -- Energy islands are Denmark's single most important infrastructure investment. Secure supply chains now. The Bornholm-Germany agreement is the template.
- Triple down on heat pumps + geothermal -- District heating decarbonization is Denmark's unique advantage. EUR 25-45/MWh heat cost beats all alternatives. Fund geothermal drilling risk insurance.
- Fast-track grid expansion -- Energinet's DKK 36B/4yr plan is the minimum. Every delayed substation means curtailed wind power. Reduce permitting from 7-10 years to 3-4 years.
- Build the hydrogen pipeline -- The Esbjerg-Germany corridor (DKK 6.9B) unlocks Denmark's role as Europe's green hydrogen exporter. First-mover advantage is real and time-limited.
- Manage the solar-land trade-off -- 20 GW of solar needs ~400-650 km². Mandate agrivoltaics, rooftop requirements for new buildings, and brownfield preference to maintain public support.
- IRENA (2024) -- Renewable Power Generation Costs in 2024, irena.org
- Danish Energy Agency -- Technology Catalogues 2024-2025 updates, ens.dk
- IEA -- World Energy Outlook 2024
- Low Carbon Power -- Denmark Electricity Generation Mix 2025, lowcarbonpower.org
- Invest in Denmark -- Denmark #1 in Renewables in EU 2024, investindk.com
- Energy Islands of Denmark -- Wikipedia; Bornholm-Germany agreement, EC 2026
- Denmark PtX Strategy -- State of Green; HyResource/CSIRO hydrogen pipeline
- Energinet -- Long-Term Grid Development Plan (LUP24), reglobal.org
- Geothermal Aarhus -- ThinkGeoEnergy; Copenhagen heat pumps, State of Green
- Esbjerg Heat Pump -- MAN Energy Solutions, man-es.com
- Denmark IEA Country Review 2023 -- iea.org
- Denmark Updated NECP 2024 -- European Commission
Peer Country Comparison
| Factor | Denmark | Netherlands | Germany | UK |
|---|---|---|---|---|
| Coastline length | 7.314 km | 451 km | 2.389 km | 19.717 km |
| Mean elevation | 31 m | 30 m | 263 m | 162 m |
| CCPI 2025 rank | #1 | Top 10 | Top 10 | Middle |
| Adaptation budget model | DKK 14.9B over 12 years | EUR 1.25B/year (Delta Fund) | EUR 30B post-Ahrtal (one-off) | Flood Re cross-subsidy |
| Dedicated adaptation fund | DKK 14,9B (2029-2040) | EUR 1,25B/year | EUR 30B post-Ahrtal | Flood Re |
| Coastal defense heritage | Limited | Centuries (Deltawerken) | Post-2021 reform | Thames Barrier (1984) |
| Flood insurance model | Solidarity (DKK 30/yr) | Govt guarantee + levies | Private (low penetration) | Flood Re cross-subsidy |
| Climate risk disclosure | None mandatory | Emerging | Emerging (post-Ahrtal) | Emerging |
| Key lesson for Denmark | -- | Long-term guaranteed funding | Do not wait for disaster | Transition schemes work |
Sea Level Rise Timeline
Pre-Written Talking Points
References
- Halsnaes, K. & Kaspersen, P.S. / DTU/CIP Fund/F&P (2024). "The cost of flooding from torrential rain and storm surges could reach DKK 406 billion." November 2024. dtu.dk/newsarchive.
- DMI (2025). "Future Sea Level Rise in Denmark." DMI Brief, December 2025.
- Danmarks Nationalbank (2021). Flood risk exposure analysis for Danish credit institutions.
- Danmarks Nationalbank (2025). "Global factors are driving high food prices in Denmark and abroad."
- Naturskaderadet. Storm surge and flooding compensation procedures. danishnaturalhazardscouncil.dk.
- CONCITO. "Almost a third of Denmark is threatened by water from the sky, sea and ground."
- Copenhagen Post (2026). "Government to spend 15 billion DKK on coastal protection to prevent flooding."
- Danish Climate Act (2020). Lov om Klima. Legally binding 70% reduction target.
- DCCC / Klimaradet (2024). February and October assessments of Denmark's climate targets.
- Klimatilpasning.dk. National adaptation strategy and municipal plan documentation.
- State of Green (2024). "Danish Government presents plan to ramp up climate adaptation."
- Clean Energy Wire (2025). "Denmark keeps on dithering over climate adaptation plans."
- Bjerager, M. et al. (2024). "Impacts of Sea Level Rise on Danish Coastal Wetlands -- a GIS-based Analysis." Environmental Management, Springer Nature. Open access via PMC. Source of 76/98 municipalities and 18,100 hectares figures.
- Halsnaes, K. et al. DTU nationwide flood consequence analysis.
- IPCC (2021). AR6 WG1 Chapter 9: Ocean, Cryosphere and Sea Level Change.
- IPCC (2022). AR6 WGII: Impacts, Adaptation and Vulnerability.
- Armstrong McKay, D.I. et al. (2022). "Exceeding 1.5C global warming could trigger multiple climate tipping points." Science, 377.
- European Council. Fit for 55 package overview. consilium.europa.eu.
- EU Nature Restoration Regulation (2024). Entered force August 2024.
- European Climate Law. climate.ec.europa.eu.
- EEA (2024). "Economic losses from weather- and climate-related extremes in Europe."
- EIOPA/ECB (2024). Proposals for EU-level natural catastrophe insurance scheme.
- CCPI (2025). Climate Change Performance Index. ccpi.org.
- WTW (2023). "The storm surge has uncovered major gaps in insurance coverage."
- Carbon Brief (2024). "Q&A: How Denmark plans to tax agriculture emissions to meet climate goals."
- Netherlands Delta Programme. english.deltaprogramma.nl. Delta Fund budget and implementation.
- Germany Ahr Valley 2021 flood. EUR 33 billion in damage, 190 fatalities, EUR 30 billion reconstruction.
- UK Flood Re scheme. floodre.co.uk.