Concept guide · ESG and sustainable finance

    The responsible investing spectrum: from exclusion to impact

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    8 min readLast reviewed: October 2026

    Intuition

    Two funds can both call themselves "responsible" and still do completely different things. One may simply avoid alcohol and tobacco shares. Another may use ESG data to spot risks that other analysts miss. A third may buy only companies whose products help solve a social or environmental problem. A fourth may put money into a rural health clinic and measure the lives it improves.

    It helps to see these approaches as a spectrum. At one end, investors are mainly protecting their own returns from ESG risks. At the other end, investors are mainly trying to change outcomes in the world, and may accept lower returns to do so.

    Knowing where a fund or strategy sits on the spectrum tells you what it is really promising. Most confusion, and much greenwashing, comes from mixing up the ends of the spectrum.

    Mechanics

    The spectrum

    ApproachMain aimWhat it doesTypical tools
    Traditional investingFinancial returnIgnores ESG unless it shows up in the numbersStandard analysis
    ESG integrationBetter risk-adjusted returnBuilds material ESG factors into analysis and valuationMateriality maps, adjusted forecasts, scenario analysis
    Exclusion (negative screening)Avoid harm or reputational riskLeaves out sectors or companies, such as tobacco, weapons or thermal coalRevenue thresholds, controversy lists
    Norms-based screeningAvoid serious misconductLeaves out companies that breach global norms, such as the UN Global CompactControversy research
    Best-in-class (positive screening)Back the leadersPicks the companies with the best ESG performance within each sectorESG scores, sector ranking
    Thematic investingGain exposure to sustainability trendsBuys companies whose business serves a theme, such as clean energy or waterRevenue mapping, green revenue share
    Impact investingMeasurable positive impact alongside returnFunds activities with an intended, measured social or environmental resultTheory of change, impact metrics, often private markets
    PhilanthropyImpact onlyGives money with no financial return expectedGrants, donations, ZCZP instruments

    Stewardship sits across the spectrum

    Engagement with companies and voting at shareholder meetings can be added to almost any approach. An index fund that cannot sell a stock can still vote against a bad related-party deal. A thematic fund can still push its holdings to disclose more.

    Mapping SEBI's ESG fund strategies

    SEBI's July 2023 rules allow mutual fund ESG schemes under six strategies. They map onto the spectrum like this:

    • Exclusion: exclusion and norms-based screening.
    • Integration: ESG integration.
    • Best-in-class and positive screening: best-in-class.
    • Impact investing: impact investing, though listed equity funds have limited ways to show impact.
    • Sustainable objectives: thematic investing.
    • Transition or transition-related investments: companies moving from high to lower emissions, which sits between integration and thematic investing.

    The global framework

    The Principles for Responsible Investment (PRI), launched with UN backing in 2006, is the main global network for responsible investors. It has more than 5,000 signatories. Its six principles commit signatories to build ESG issues into analysis, be active owners, seek ESG disclosure from companies, promote the principles, work together and report on progress. Signing the PRI shows a commitment to integration and stewardship. It does not mean every fund of the signatory is an ESG fund.

    Sources

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