Greenwashing in Sustainable Funds: How to Identify It and Invest Authentically

The sustainable investment market has grown from a niche concern to one of the dominant marketing narratives in asset management. As of 2025, global ESG-labelled fund assets under management run to tens of trillions of dollars by various estimates. The growth has been accompanied by a parallel problem: the proliferation of "greenwashing" — marketing claims about the environmental, social, and governance characteristics of investment products that are exaggerated, misleading, or in some cases simply false.

Regulatory enforcement has improved substantially since 2022, particularly in the EU under the Sustainable Finance Disclosure Regulation (SFDR) and in the UK under the FCA's Sustainability Disclosure Requirements (SDR). But enforcement cannot keep pace with the volume of claims being made, and sophisticated investors need the tools to evaluate sustainable fund credentials independently.

What Greenwashing Actually Means

Greenwashing in investment management takes several distinct forms:

Label washing: Applying sustainability labels — "responsible", "ESG", "sustainable", "green" — to fund names without material changes to the underlying portfolio. A fund holding substantially the same securities as a conventional index but with the word "sustainable" appended to its name is a clear example.

Scoring arbitrage: Using ESG ratings that are constructed to favour the fund's existing holdings rather than reflecting genuine sustainability characteristics. Because ESG ratings are not standardised and different agencies produce dramatically divergent scores for the same company, a fund manager can choose the rating methodology that makes their existing portfolio look best.

Immateriality of exclusions: Excluding a small number of highly visible sectors (typically tobacco, controversial weapons) while retaining substantial exposure to high-impact activities in fossil fuels, mining, or fast fashion through indirect holdings in diversified conglomerates.

Double counting of impact claims: Claiming credit for real-economy impact from secondary market purchases of "green" bonds or "sustainable" equity — when secondary market transactions simply transfer ownership between investors without directly funding new sustainable activity.

Forward commitment without accountability: Setting net-zero targets and transition commitments with no credible mechanism for compliance, no interim milestones with real consequences, and no independent verification.

The Regulatory Landscape: SFDR and SDR

The EU Sustainable Finance Disclosure Regulation (SFDR), which came into force in 2021 with enhanced requirements from 2023, established a classification system for funds marketed to EU investors:

• Article 6 funds: No explicit sustainability claims.
• Article 8 funds: Promote environmental or social characteristics ("light green").
• Article 9 funds: Have sustainable investment as their objective ("dark green").

The SFDR framework was intended to create meaningful distinctions. In practice, initial Article 9 designations were applied extremely broadly, with many funds claiming the highest classification while holding conventional securities. Regulatory enforcement has since produced a wave of downgrades: the EU's supervisory authorities flagged large numbers of Article 9 funds as insufficiently substantiated, and many asset managers voluntarily reclassified their funds from Article 9 to Article 8 to avoid regulatory challenge.

The UK's FCA introduced its own Sustainability Disclosure Requirements (SDR) in 2024, establishing four labels: "Sustainability Focus", "Sustainability Improvers", "Sustainability Impact", and "Sustainability Mixed Goals". UK fund managers must adhere to specific criteria to use these labels, and naming rules prohibit ESG-related terms in fund names unless the relevant label is held.

These regulatory developments are progress. They are not a guarantee that every labelled fund is genuinely what it claims to be, particularly for funds marketed from outside the EU/UK regulatory perimeter.

The ESG Rating Agency Divergence Problem

One of the most significant structural challenges in ESG investing is the lack of standardisation in ESG ratings. Unlike credit ratings — where Moody's, S&P, and Fitch typically produce broadly consistent assessments, informed by detailed agreed-upon methodologies — ESG ratings from different providers can differ dramatically for the same company.

Academic research by Berg, Kölbel, and Rigobon (2022) examining six major ESG rating agencies found that the average correlation between agency ratings for the same companies was approximately 0.54 — meaning two agencies evaluating the same company might reach substantially different conclusions. For comparison, credit ratings from major agencies typically correlate above 0.90.

MSCI, Sustainalytics, FTSE Russell, S&P Global, ISS ESG, and Refinitiv all publish ESG ratings using different methodologies, different data sources, and different weightings of environmental, social, and governance factors. A technology company might score highly on MSCI's methodology (which emphasises data-driven systematic analysis) but poorly on ISS's (which gives more weight to governance red flags). An oil major with ambitious net-zero commitments might score well on Sustainalytics' risk management assessment while scoring poorly on exclusion-based approaches.

The practical implication: a fund's ESG quality cannot be determined simply by noting that it holds stocks with "high ESG ratings". The question is whose ratings, using what methodology, and whether the fund's claimed focus areas align with the rating methodology used.

How to Audit a Fund's Holdings for ESG Consistency

Investors who want to verify ESG fund credentials beyond the marketing document should:

Review the full holding list. UCITS funds are required to disclose their holdings. The full portfolio listing, available from fund factsheets or regulatory filings, allows direct inspection. Do the holdings match the fund's stated sustainability thesis? Does an "environmental leaders" fund hold substantial positions in companies with significant environmental controversies?

Check the fund's carbon intensity relative to its benchmark. Many sustainable funds report weighted average carbon intensity (tonnes of CO2 equivalent per million dollars of revenue) for the portfolio. Comparing this to the equivalent figure for the relevant benchmark provides a quantitative benchmark for the fund's actual environmental credentials.

Examine the active ownership record. Genuinely sustainability-oriented fund managers should be able to demonstrate a record of voting against resolutions inconsistent with their stated ESG approach, engaging with company management on specific sustainability issues, and excluding companies that fail to meet minimum standards after engagement. This information is available in fund managers' annual stewardship and voting disclosure reports.

Compare across rating agencies. Using a tool that aggregates multiple ESG rating sources (e.g., Bloomberg ESG function, Morningstar ESG data) allows comparison of the fund's portfolio-level ESG scores across different methodologies. Funds with genuinely strong sustainability characteristics tend to score consistently across methodologies; those that have been assembled to look good on one specific screen may score poorly on others.

Check holdings against controversy databases. Several data providers (Sustainalytics, MSCI) maintain controversy tracking databases that flag specific incidents — regulatory violations, environmental accidents, serious governance failures — at individual companies. A fund with significant exposure to companies with recent material controversies in areas the fund claims to prioritise should prompt questions.

Integration vs Exclusion vs Impact: The Three Approaches

"ESG" encompasses approaches with fundamentally different objectives:

ESG integration: Incorporating environmental, social, and governance data into investment analysis alongside financial metrics. The claim is not that the portfolio excludes harmful companies, only that sustainability-related risks and opportunities are considered. A portfolio using ESG integration may hold oil companies, weapons manufacturers, and tobacco stocks if the financial case supports it.

Exclusion-based screening: Excluding specific sectors, companies, or activities from the portfolio. Common exclusions include tobacco, conventional weapons, gambling, and fossil fuel extraction. The portfolio may otherwise be constructed on conventional financial grounds.

Sustainable and impact investing: Actively seeking companies that are improving their sustainability credentials ("improvers") or that directly generate positive environmental or social outcomes aligned with the investment thesis ("impact"). This approach requires clear definitions of what constitutes positive impact, measurement frameworks for claimed outcomes, and often involves less liquid assets (green bonds, private equity impact funds) where direct causality between investment and outcome is more credible.

These are not the same strategy and should not be evaluated on the same basis. An integration fund with oil company holdings is not automatically greenwashing; it has a specific defined approach. An "impact" fund that holds publicly listed equities in standard indices faces a harder causality question: does a secondary market share purchase create real-world impact?

Post-SFDR Enforcement: What Has Changed

The post-2022 period of regulatory enforcement has produced measurable improvements in fund labelling. The wave of Article 9 downgrades in the EU removed the most egregious label inflation. The UK SDR naming rules, when fully in force, prevent the casual use of sustainability-related terms in fund names without supporting credentials.

However, enforcement remains reactive rather than proactive. Regulators respond to complaints and conduct periodic reviews; they do not systematically audit every fund claim before it reaches investors. The asymmetry of information between sophisticated fund marketers and retail investors remains. Investor vigilance remains the first line of defence.

Compliance and Regulatory Note

The regulatory environment for sustainable investing is changing rapidly. Fund labels and regulatory frameworks described in this guide reflect the position as of mid-2026 but may change. Past ESG performance of any fund or strategy does not guarantee future results. ESG considerations do not eliminate investment risk. All investments can fall as well as rise in value. This article is for general information only and does not constitute personal financial advice. Seek qualified professional advice before making investment decisions.

How Global Investments Can Help

Evaluating the authenticity of sustainable fund credentials requires both technical expertise in ESG data and market, and the practical experience to distinguish genuine sustainability integration from marketing exercise. At Global Investments, we apply rigorous due diligence to sustainable investment products recommended to clients, examining holding-level data, engagement records, and cross-agency ESG scores rather than relying on fund marketing materials. For clients who wish to align their investment portfolio with their values without sacrificing financial rigour, we offer tailored sustainable investment strategies that are transparent about what they claim and what they exclude. Please contact our team to discuss how to build a genuinely sustainable portfolio.