ESG investing does not sacrifice returns. Over the decade from 2014 to 2024, the MSCI USA ESG Select ETF returned 10.2% annually versus 9.8% for the broad S&P 500, turning $100,000 into $268,000 compared to $263,000. The trade-off is values alignment and reduced greenwashing risk, not lower performance.
On this page
- What is ESG Investing?
- ESG Performance: Does it Work?
- The ESG Rating Problem: Lack of Standardization
- Greenwashing: When ESG is Performative
- ESG Fund Categories
- 1. Heavy Screening (Strict ESG)
- 2. Medium Screening (Balanced ESG)
- 3. Light Screening (ESG Awareness)
- Choosing an ESG Fund
- ESG's Future
- Action Items: ESG Investing
What is ESG Investing?
ESG = Environmental, Social, Governance
Environmental: Climate impact, carbon emissions, pollution, water use, renewable energy Social: Labor practices, diversity, human rights, community impact, customer satisfaction Governance: Executive compensation, board diversity, shareholder rights, ethics compliance
ESG investing: Buy stocks/funds of companies scoring well on these metrics; avoid companies scoring poorly.
Why investors care:
- Values alignment: Invest according to your ethics
- Risk management: ESG factors predict long-term stability (bad governance leads to fraud, environmental issues lead to liability)
- Performance: Historically, ESG has performed well or equally to non-ESG
ESG Performance: Does it Work?
Common concern: "ESG returns are lower (you're sacrificing returns for values)."
Reality: Historical data shows equal or slightly better returns.
Worked example: 10-year comparison
S&P 500 (broad market, no ESG filter):
- Annual return: 9.8% (2014–2024)
- Value: $100,000 → $263,000
MSCI USA ESG Select ETF (ESG filtered):
- Annual return: 10.2% (2014–2024)
- Value: $100,000 → $268,000
- Outperformance: $5,000 (1.9% over 10 years)
ESG performed slightly better, not worse.6
Why? ESG companies tend to:
- Have better management
- Lower regulatory risk (compliance is proactive)
- More sustainable business models
- Better employee retention (lower turnover costs)
Not universal though. Some periods, non-ESG outperforms (especially when fossil fuel stocks boom).
Long-term, ESG and non-ESG are comparable; short-term varies.
The ESG Rating Problem: Lack of Standardization
ESG ratings vary wildly by provider.
Example: Tesla ESG ratings
| Rating Agency | Score | Assessment |
|---|---|---|
| MSCI | B | Average |
| Sustainalytics | Low Risk | Good |
| S&P Global | 71/100 | Good |
| Refinitiv | 61/100 | Below average |
Same company, very different ratings. Why?
Each rater:
- Weights factors differently
- Uses different data sources
- Interprets findings differently
- Updates at different frequencies
Lack of standardization is the biggest problem with ESG.
Another example: ExxonMobil (fossil fuel giant)
- Sustainalytics rates it "Medium Risk" (because it has good governance despite environmental impact)
- MSCI rates it "High Risk" (because environmental impact is severe)
- Different philosophies = different ratings
Lesson: Don't blindly buy "high ESG" funds. Understand what the fund screens for.
Greenwashing: When ESG is Performative
Greenwashing = Appearing environmentally responsible without actual change.
Examples:
1. Carbon neutral claims
- Company claims "carbon neutral by 2030"
- Reality: Using carbon offsets (buying credits, not reducing emissions)
- A tree-planting offset doesn't eliminate their factory emissions
- Performative, not substantive4
2. Sustainability reports with no action
- Company publishes 50-page ESG report
- Emissions increased 15% year-over-year
- Report looks good, but reality is worsening
3. Diversity announcements
- "We've achieved 30% women in leadership!"
- Reality: Hired 2 women, lost 3 men (net loss of 1 woman, but percentage went up)
- Technically true, functionally meaningless
4. Charitable giving
- "We donated $1M to environmental causes"
- Revenue: $10B
- Donation: 0.01% of revenue
- More for PR than genuine impact
How to spot greenwashing:
Red flags:
- No specific, measurable targets ("reduce emissions by 50% by 2030" = specific; "be more sustainable" = vague)
- Goals are decade away ("carbon neutral by 2050" when current year is 2024; no urgency)
- No independent verification
- Heavy marketing emphasis ("saving the planet!" but details are missing)
Green flags:
- Specific, near-term targets ("reduce emissions 10% by 2026")
- Third-party verified (DNV, Science Based Targets, etc.)
- Historical track record (past commitments met)
- Transparency about challenges ("We missed 2023 target because of X; here's plan to recover")
ESG Fund Categories
1. Heavy Screening (Strict ESG)
What it does:
- Excludes entire industries: Fossil fuels, weapons, tobacco, alcohol, gambling, nuclear
- 30–40% of market excluded1
- Deep values alignment
Examples:
- Parnassus Core Equity Fund (PRBLX)
- MSCI USA Socially Responsible ETF (DSI)
Pros:
- Strong values alignment
- Supports companies making genuine change
- Feel good about holdings
Cons:
- Smaller universe (limited stock options)
- Sector imbalance (overweight tech, healthcare; underweight energy)
- During energy crisis, might miss upside
Returns: Historical equal or slightly better than market
2. Medium Screening (Balanced ESG)
What it does:
- Includes all industries, but favors high-ESG companies within each
- Fossil fuel stocks included if they score high on transition efforts
- Balanced approach
Examples:
- Vanguard ESG U.S. Stock ETF (ESGV)3
- iShares MSCI USA ESG Select ETF (SUSA)
Pros:
- Broad market exposure
- Values alignment without extreme exclusion
- Better diversification
Cons:
- Lower values alignment (some "bad" companies still included)
- Greenwashing risk (companies with good scores but questionable practices)
Returns: Historical equal to market
3. Light Screening (ESG Awareness)
What it does:
- No exclusions; includes all companies
- Weights by ESG score (better ESG = higher weight)
- Subtle values alignment
Examples:
- Sustainalytics Socially Responsible ETF
- Some "ESG enhanced" funds
Pros:
- Market-like diversification
- Subtle environmental impact
- No performance drag
Cons:
- Minimal values alignment
- Still holds "bad" companies
- May not feel like true ESG to values-driven investors
Returns: Historical equal to market
Choosing an ESG Fund
Step 1: Define your values
- Do you want fossil fuels excluded? (Heavy screening)
- Okay with them if company is transitioning? (Medium)
- Just want slightly better ESG? (Light)
Step 2: Research the fund
- What does it exclude? (Fossil fuels? Weapons? Tobacco?)
- How many companies are in the fund? (300+ is good diversification)
- What's the ESG criteria? (Read the prospectus)
- How transparent are they? (Can you see holdings by ESG score?)
Step 3: Check expense ratio
- ESG funds typically cost 0.08%–0.20% (slightly higher than broad market 0.03%)7
- Don't overpay (some charge 0.50%+ for mediocre ESG)
Step 4: Look at performance
- Compare to non-ESG benchmark over 5–10 years
- Should be competitive (within 1–2%/year)
- If underperforming significantly, question why
Worked example: Comparing ESG funds
Fund A: Heavy ESG Screen
- Excludes: Fossil fuels, weapons, tobacco, alcohol, gambling
- Holdings: 200 stocks
- ESG score: 89/100
- Expense ratio: 0.12%
- 10-year return: 9.5%/year
- Values alignment: High
Fund B: Medium ESG Screen
- Excludes: Some weapons, tobacco
- Holdings: 400 stocks
- ESG score: 72/100
- Expense ratio: 0.08%
- 10-year return: 10.0%/year
- Values alignment: Medium
Fund C: Light ESG (not truly ESG)
- No exclusions
- Holdings: 500 stocks (entire market)
- ESG score: 60/100
- Expense ratio: 0.03%
- 10-year return: 10.1%/year
- Values alignment: Low
Choose based on values:
- Strong values → Fund A (accept slightly lower returns)
- Balanced → Fund B (good balance of values and returns)
- Values not important → Fund C (maximize returns)
ESG's Future
Challenges:
- Rating standardization (SEC is working on this)5
- Greenwashing prevention (disclosure requirements coming)
- Climate change impact (ESG will evolve)
Opportunities:
- ESG becomes mainstream (more funds, better data)
- Climate solutions funds (pure play on sustainability)
- Impact investing (intentional positive impact, not just ESG avoidance)
Action Items: ESG Investing
Define your values: What issues matter to you? (Environment, social justice, governance)
Choose ESG intensity: Heavy (strict exclusions), Medium (selective), or Light (minimal)
Research 2–3 ESG funds: Compare holdings, criteria, expense ratios, returns
Avoid greenwashing: Check for specific targets, third-party verification, historical track record
Allocate portion of portfolio: Maybe 25–100% ESG (rest non-ESG or passive)
Monitor: Annual review to ensure fund still aligns with your values
ESG investing isn't about sacrificing returns for values; historically, values-aligned investing performs comparably to broad market investing. Choose a fund matching your values intensity, avoid greenwashing, and invest for the long term.
