The Carbon Border Adjustment Mechanism (CBAM)
14 min
Level
In this article, we break down what the EU CBAM is, how it works, and what businesses need to do to comply.
ESG / CSR
Industries
MEASURE
ACT
COMFORM
Climate change remains a critical driver of global financial volatility, making transparent, high-quality climate reporting a business imperative rather than a voluntary extra. For nearly a decade, the Task Force on Climate-related Financial Disclosures (TCFD) served as the global cornerstone for this transparency, bridging the gap between environmental impact and financial risk.
However, the landscape has now officially shifted:
In October 2023, the TCFD was disbanded after successfully fulfilling its remit.
Its responsibilities and framework have been fully integrated into the International Sustainability Standards Board (ISSB).
In 2026, the transition period will end. The TCFD’s core pillars are now legally enshrined within IFRS S2 (Climate-related Disclosures) and IFRS S1 (General Requirements).
This evolution from voluntary recommendations to universal standards simplifies the complex reporting landscape, providing investors with the consistent, comparable data they have long demanded.
In this article, we'll cover:
The TCFD’s enduring global legacy
Core pillars of climate reporting
Transitioning from TCFD to ISSB
Benefits of standardised financial disclosures
Navigating 2026’s mandatory reporting requirements
What was the TCFD?
The Task Force on Climate-related Financial Disclosures (TCFD) was established in 2015 by the Financial Stability Board (FSB). It was created to bridge the gap between environmental impact and financial risk, ensuring that climate change was treated as a boardroom priority rather than just a CSR initiative.
The core objective:
The TCFD’s mission was to provide a structured framework for companies to disclose how climate change affects their bottom line. This had a twofold aim:
Investor Clarity
Providing the data needed to price climate risk into investment decisions.
Global Stability
Fostering a resilient, low-carbon economy through transparent financial planning.
From theory to financial impact
The TCFD’s true innovation was moving climate change from a reputation risk to a valuation risk. By forcing organisations to quantify climate factors, it revealed how environmental shifts translate into specific financial line items.
We can categorise these impacts into three main areas:
1. Transition Risks
The cost of a changing economy
Operating Costs
Increased expenses from carbon pricing, compliance requirements, and rising insurance premiums.
Asset Valuations
Stranding of assets as fossil fuel reserves, land, or equipment become unviable under new regulations.
Market Demand
Shifts in consumer preferences reducing revenue for legacy products and requiring investment in greener alternatives.
2. Physical Risks
The cost of a changing planet
Capital Expenditures
Significant investments required to repair or protect assets from extreme weather and long-term climate impacts.
Supply Chain
Disruptions to logistics and production due to climate-related events affecting key regions.
Workforce Productivity
Increased costs and reduced efficiency from health and safety impacts in extreme climate conditions.
3. Climate-Related Opportunities
Resource Efficiency
Cost reductions through improved energy, water, and waste management practices.
Capital Access
Preferential financing through green instruments for companies demonstrating climate resilience.
New Markets
Revenue growth from developing low-carbon products and services aligned with transition needs.
How did the TCFD work?
The TCFD was unique because it was not a regulatory body; it was an industry-led task force. When the Financial Stability Board (FSB) established it in 2015, they deliberately chose 31 members from across the global economy - including large banks, insurance companies, asset managers, and non-financial corporations.
This by the market, for the market structure was key to its widespread adoption. Here is how it actually operated:
The Market-First Mandate
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The Market-First Mandate
Unlike previous environmental initiatives, the TCFD was chaired by Michael Bloomberg and comprised of individuals who understood how capital markets work. Their goal was to make climate data as useful to a CFO or a hedge fund manager as a standard balance sheet.
The Four Pillar Framework
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The Four Pillar Framework
To simplify the complex world of climate science, the Task Force organised its recommendations into four thematic areas: Governance, Strategy, Risk Management, and Metrics and Targets. This structure was designed to mirror how businesses actually operate.
Consultative Development
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Consultative Development
The final recommendations (released in 2017) weren't created in a vacuum. The Task Force spent 18 months in public consultations, receiving over 500 responses from industry leaders to ensure the disclosures were decision-useful and not just a box-ticking exercise.
Voluntary Support
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Voluntary Support
For most of its existence, the TCFD functioned through a supporter model. Companies would officially sign on as TCFD Supporters, signaling to investors that they were committed to transparency. By the time it disbanded, over 4,000 organisations globally had pledged their support.
What's the status of the TCFD now?
In 2023, the TCFD disbanded not because it failed, but because it succeeded. The Financial Stability Board (FSB) determined that the Task Force had fulfilled its remit. Essentially, the TCFD provided the foundational principles; it was then the role of international bodies and national regulators to codify those principles into mandatory reporting standards.
Today, we no longer talk about adopting TCFD as a choice; we talk about complying with the legal standards that grew out of it. Its four pillars are now the foundational DNA within the world’s most powerful reporting regimes.
1. The Global Baseline: ISSB (IFRS S1 & S2)
The International Sustainability Standards Board (ISSB) is the official custodian of the TCFD's legacy.
The Integration
IFRS S2 (Climate-related Disclosures) fully incorporates all 11 of the TCFD’s original recommendations.
The 2026 Reality
As of this year, over 20 jurisdictions (including major markets like Brazil and Singapore) have officially adopted the ISSB. If you report under IFRS S2, you are automatically TCFD-compliant.
2. The European Powerhouse: CSRD (ESRS)
The EU’s Corporate Sustainability Reporting Directive (CSRD) is the most ambitious evolution of the framework.
Double Materiality
While it uses the TCFD pillars as a starting point, the EU’s standards (ESRS) add a layer called Double Materiality. This means companies must report not just on how climate impacts their finances, but also on how their operations impact the planet.
Compliance in 2026
This now hits almost all large companies in the EU, including the European subsidiaries of many US and UK firms.
3. The US Landscape: TCFD by Another Name
While the US hasn't adopted a single national TCFD law, the framework has reshaped the American regulatory and corporate landscape.
The SEC Climate Rule
Finalised in 2024, the SEC’s climate disclosure rule was explicitly modeled on the TCFD’s four pillars (Governance, Strategy, Risk Management, and Metrics). While federal enforcement faced legal pauses in early 2025, the content of the rule remains the benchmark for US public companies.
The California Effect
In 2026, the real action is in California. Laws like SB 261 specifically mandate that companies with over $500 million in revenue must prepare a report in accordance with - you guessed it - the TCFD framework. Because so many large US companies do business in California, this has effectively made TCFD-style reporting mandatory for much of Corporate America.
Investor Pressure
Regardless of the law, major US asset managers (like BlackRock and State Street) still expect TCFD-aligned data to help them price risk in their portfolios.
In what ways was the TCFD successful?
The TCFD’s impact is best measured by its rapid transition from a voluntary set of ideas to a global disclosure standard. While it released its final status report in 2023, the data shows how effectively it paved the way for modern regulation.
1. Driving Global Adoption
The TCFD moved from a niche initiative to a global baseline with remarkable speed:
4,900+
Widespread Buy-in
Over 4,900 organisations across 103 jurisdictions formally pledged support, representing nearly every sector of the global economy.
58%
The Disclosure Jump
In just two years, the market saw a massive shift in transparency. By 2022, 58% of companies were disclosing in line with at least five of the TCFD's 11 recommendations - a significant leap from only 18% in 2020.
80%+
Institutional Backing
The framework earned the support of over 80% of the world’s largest asset managers, ensuring that climate data became a standard requirement for securing capital.
2. The Shift from Voluntary to Mandatory
3. Lessons from the Final Status Report (2023)
The TCFD’s final report provided a clear-eyed look at the progress made and the work left for today's regulators to finish:
Progress in Governance
The report noted "notable strides" in how boards oversee climate issues. In 2026, climate risk is a standard fixture on boardroom agendas, directly influencing executive compensation and long-term strategy.
The Full Alignment Challenge
Despite the 58% adoption rate mentioned above, only 4% of companies were fully aligned with all 11 recommendations by 2023. This highlighted a persistent gap in Scenario Analysis and the quantification of financial impacts - areas that the current ISSB standards are now specifically designed to bridge.
Geographical Disparities
Success was unevenly distributed. Adoption was highest in developed markets with clear regulatory signals. In 2026, the goal of the ISSB is to close this gap, bringing the TCFD’s rigor to emerging markets to ensure a level playing field for global investment.
“The TCFD successfully moved the needle from if a company should report on climate to how a company should report. By standardising the language of climate risk, it provided the ISSB (International Sustainability Standards Board) with a pre-built and tested framework that was already being used by 90% of the world’s leading firms.”
The transition to the new global standard: IFRS S1 & S2
The transition from the TCFD to IFRS S1 and 2 was a coordinated handover that took place between 2023 and 2024. Here is the breakdown of how the TCFD’s work was institutionalised:
July 2023
The Culmination
Upon the release of the ISSB’s first standards, the Financial Stability Board (FSB) declared that these new rules marked the "culmination of the TCFD’s work".
October 2023
The Formal Disbandment
Having fulfilled its mission to create a global language for climate risk, the TCFD officially disbanded after publishing its final status report.
2024
The Transfer of Monitoring
The IFRS Foundation officially took over the responsibility for monitoring company progress on climate disclosures. Now, when you look for TCFD Progress Reports, you will find them published under the IFRS Foundation banner instead.
What are the ISSB Rules?
The ISSB launched two foundational standards that now govern the market. In 2026, these are the global baseline for corporate reporting:
Framework
1. IFRS S1: The General Framework
Think of S1 as the how-to manual. It sets out the general requirements for disclosing all material sustainability-related risks and opportunities.
It ensures that sustainability data is reported at the same time, and with the same level of rigor, as your financial statements.
Climate
2. IFRS S2: The Climate Specialist
S2 is the specific 'Climate Chapter' that directly absorbs the TCFD. It focuses exclusively on climate-related risks (physical and transition) and opportunities.
It requires companies to disclose everything from their carbon footprint to how they plan to survive a 2°C (or lower) warming scenario.
What’s the same?
If you were already TCFD-compliant, you’ve already done 80% of the work. The ISSB purposely kept the TCFD’s architecture to avoid starting from scratch.
The Four Pillars
Governance, Strategy, Risk Management, and Metrics/Targets remain the mandatory structure.
Financial Materiality
Both focus strictly on information that is material to investors and the company’s enterprise value.
The 11 Recommendations
All 11 original TCFD disclosure points are fully integrated into IFRS S2.
What’s different?
The ISSB essentially added more teeth to the TCFD's principles:
From 'Should' to 'Must'
TCFD was a voluntary recommendation. IFRS S2 is an enforceable standard that jurisdictions are now hard-coding into law.
Mandatory Scope 3
While TCFD made Scope 3 (value chain) emissions optional or best practice, IFRS S2 requires them (following a 2024/25 grace period).
Industry-Specific Detail
ISSB absorbed the SASB Standards, meaning a bank cannot report the same way a mining company does. You must use specific metrics designed for your exact industry.
Digital Tagging
Reports are now required to be machine-readable using XBRL tagging, allowing AI and analysts to compare your data instantly against thousands of other firms.
What the transition means for companies
The absorption of TCFD into a mandatory legal framework has fundamentally altered the internal mechanics of corporate disclosure. For businesses, this has moved climate reporting out of the sustainability silo and into the core of corporate operations.
2026 impact
1. The CFO’s New Mandate
The most immediate impact of the 2026 reporting cycle is the change in internal ownership. Because climate data is now tied directly to financial filings, the Finance department - not just the Sustainability team - now holds primary responsibility.
Accounting Rigor
Climate-related risks are now treated with the same precision as revenue. Finance teams must ensure that the climate story told in the sustainability report aligns perfectly with the asset valuations and risk disclosures in the annual financial report.
Internal Controls
Companies have had to implement rigorous internal control systems to track carbon data with the same level of accuracy as dollar transactions.
Audit readiness
2. The Shift to Audit-Ready Data
Under the voluntary TCFD era, assurance was often a secondary thought. In 2026, it is an essential requirement for market access.
Mandatory Assurance
In many jurisdictions, climate disclosures now require Limited Assurance from a third-party auditor. This has ended the era of estimated or best-effort reporting.
The Death of the Spreadsheet
To provide a clear audit trail, companies have largely replaced manual spreadsheets with specialised ESG data platforms that track data from its source (eg. utility meters) to the final disclosure.
Quantification
3. Quantifying Climate Resilience
While TCFD encouraged narrative descriptions of climate strategy, today’s standards demand hard numbers.
Stress Testing
Companies must now perform quantitative Scenario Analysis. This involves modeling exactly how a business model’s profitability would be impacted by different global warming trajectories (eg. a 1.5°C vs. 3°C world).
Financial Links
Reporting must now show the connectivity of information - demonstrating how climate risks specifically impact future cash flows and capital allocation.
Scope 3
4. Active Supply Chain Engagement
2026 marks the end of grace periods for value chain reporting in several major markets.
Supplier Accountability
Large organisations are now legally responsible for the carbon footprint of their suppliers. This has triggered a massive push for data sharing, as Scope 3 reporting requires high-quality data from vendors who were previously invisible to the reporting process.
Procurement Shifts
Climate performance is now a standard KPI in procurement contracts, as companies seek to lower their own reported risks by selecting greener partners.
Market reaction
5. Real-Time Investor Scrutiny
The requirement for digital, machine-readable reports has changed how the market consumes data.
Algorithmic Analysis
With reports now tagged for AI and automated data scrapers, investors can compare a company’s climate risk profile against its global competitors in seconds.
Transparency as a Competitive Edge
In 2026, companies with cleaner and more transparent data are seeing a tangible benefit in their Cost of Capital, as lenders and investors reward those who can prove their long-term resilience.
Summary: The 2026 Reality Check
How climate reporting has shifted from the TCFD pilot era to the ISSB / IFRS S2 reporting model.
| Feature | TCFD (The Pilot) | ISSB / IFRS S2 (The Law) |
|---|---|---|
| Ownership | Sustainability / CSR Team | CFO / Finance Department |
| Data Quality | "Best Efforts" | Audit-Ready / Assured |
| Scope 3 | Encouraged | Mandatory (after grace periods) |
| Format | Narrative PDF | Digital / XBRL Tagged |
The impact on companies in the UK, EU, and US
While the TCFD provided the shared DNA for these regulations, the how and when of compliance differ significantly across major jurisdictions:
🇬🇧 1. The United Kingdom: Finalising the UK SRS
The UK has been a pioneer in mandatory TCFD reporting, but 2026 marks its transition to the UK Sustainability Reporting Standards (UK SRS).
The New Rules
In February 2026, the UK government officially endorsed its versions of the ISSB standards: UK SRS S1 and UK SRS S2.
Transition Timeline
For accounting periods beginning on or after January 1, 2027, listed companies will move from "comply or explain" TCFD reporting to mandatory UK SRS compliance.
The "Comply or Explain" Shift
A key 2026 update is that financial institutions must now "comply or explain" specifically regarding their financed emissions, moving away from the more flexible TCFD-era guidance.
🇪🇺 2. The European Union: CSRD and the "Omnibus" Reset
The EU's Corporate Sustainability Reporting Directive (CSRD) remains the world's most demanding regime. However, 2026 brought some necessary streamlining.
Interoperability
The EU and the ISSB have published joint guidance to ensure that if a company reports under the EU’s ESRS, they are also effectively compliant with ISSB climate requirements.
The "Omnibus 1" Directive
In March 2026, the EU finalised changes raising thresholds to companies with more than 1,000 employees and €450 million turnover.
Double Materiality
The EU still requires companies to report their impact on the world, not just financial risks.
🇺🇸 3. The United States: A Tale of Two Tiers
The US landscape in 2026 is defined by a gap between federal rules and state-level mandates.
California’s "De Facto" Standard
As of January 1, 2026, California’s climate package is live, effectively creating a mandatory TCFD standard for much of the US market.
The SEC Status
While facing legal hurdles, the SEC rule remains TCFD-based, and most large firms already report accordingly.
Frequently Asked Questions: TCFD
Is the TCFD website still active?
While the TCFD disbanded in 2023, its website (fsb-tcfd.org) remains available as a static archive. It serves as a historical resource for the original 2017 recommendations and subsequent status reports. However, it is no longer updated; all new progress reports and guidance are now published by the IFRS Foundation.
Do I need to report TCFD if I am a small or medium enterprise (SME)?
The answer depends on your supply chain. While most mandatory laws (like the EU's CSRD or California's SB 253) target large corporations, SMEs are increasingly required to provide TCFD-aligned data to their larger customers. This is part of Scope 3 (Value Chain) reporting - large firms cannot complete their reports without carbon data from their smaller suppliers.
What is the difference between TCFD and TNFD?
The TCFD focused exclusively on Climate. In 2026, many companies are now also adopting the TNFD (Taskforce on Nature-related Financial Disclosures). The TNFD uses the same Four Pillars structure as the TCFD but focuses on biodiversity loss, water security, and deforestation. Think of it as the Natural Capital equivalent to the TCFD.
Can a company still call itself a "TCFD Supporter"?
Technically, no. The official TCFD Supporter list was closed in October 2023. In 2026, companies instead signal their commitment by stating they are "Reporting in alignment with IFRS S2" or "Complying with TCFD-based local regulations".
How does TCFD alignment impact my cost of capital?
By 2026, the link between transparency and financing is clear. Banks and insurers now use TCFD/ISSB data to set interest rates on Sustainability-Linked Loans. Companies with high-quality, transparent climate risk disclosures often benefit from lower premiums and better borrowing terms because they are perceived as de-risked by lenders.
Close
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📋 Automated Double Materiality Assessment (DMA) built with CSRD experts
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💰 Translate climate risk into quantified financial opportunities
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