The Moment
You want your investments to reflect your values. Maybe you want to avoid fossil fuels, weapons manufacturers, or companies with poor labor practices. Maybe you want to overweight companies with strong environmental or governance standards.
ESG investing lets you do this — but the landscape is confusing, full of marketing buzzwords, and not always what it seems.
The Practical Approach
Step 1 — Define your priorities. ESG is broad. What matters most to you? - Environmental: Climate, clean energy, carbon emissions - Social: Labor practices, diversity, community impact - Governance: Board diversity, executive compensation, transparency
Most ESG funds weight these factors differently. Know what you care about most.
Step 2 — Choose low-cost ESG index funds. - ESGU (iShares ESG Aware MSCI USA): 0.15% expense ratio. Broad US market with ESG screening. - VFTAX (Vanguard FTSE Social Index Fund): 0.14%. Excludes weapons, tobacco, nuclear, gambling. - SUSA (iShares MSCI USA ESG Select): 0.25%. More aggressive ESG screening.
Avoid actively managed ESG funds with 0.5-1.5% fees — the ESG screening does not justify 10x higher costs.
Step 3 — Understand the trade-offs. ESG screening excludes certain companies and sectors (often energy, defense, tobacco). This reduces diversification and creates tracking error vs the broad market. In periods where excluded sectors outperform (e.g., oil stocks in 2022), ESG funds will underperform. In periods where clean energy and tech lead, ESG funds may outperform.
Over 10-20 year periods, ESG fund returns have been roughly comparable to broad market returns — the trade-off is small in practice.
Step 4 — Watch for greenwashing. Some funds label themselves ESG while holding oil companies, weapons manufacturers, and other names you might expect to be excluded. Read the fund's holdings and methodology, not just its marketing materials.
Run Your Numbers
See how ESG investments compound alongside your portfolio.
Compound Growth Projector
What to explore next
- →Which ESG index fund has the best methodology?
- →Should I use ESG for my entire portfolio or just a portion?
- →How do I evaluate a fund's actual ESG practices?
Frequently Asked Questions
Do ESG funds underperform regular index funds?
The evidence is mixed. Over 5-10 year periods, ESG fund returns have been within 0.5% of broad market returns — sometimes slightly better, sometimes slightly worse. The difference is small enough that values-based investing does not require a meaningful return sacrifice, especially with low-cost ESG index funds.
Can I do ESG in my 401(k)?
Increasingly yes. Many 401(k) plans now offer at least one ESG fund option. Check your plan's fund lineup. If no ESG option exists, you can invest in ESG funds within your IRA and taxable accounts while using whatever is available in your 401(k).