US Sustainable Investment Landscape Faces Ongoing Challenges
The sustainable investment sector in the United States is entering 2026 under considerable strain, battling a barrage of legal actions, regulatory scrutiny, and investigations. Many major financial institutions are retreating from their commitments to net-zero targets amid mounting political pressure. Bryan McGannon, managing director at US SIF, anticipates that the upcoming year will be equally contentious as the SEC intensifies its scrutiny of shareholder engagement and as the possibility of more investigative letters from Congress looms. Anti-ESG advocates in the U.S. can largely claim success, as initiatives like the Net-Zero Insurance Alliance have already ceased operations, and the Net-Zero Banking Alliance also shuttered this year amid significant member attrition.
Investor Withdrawals from Climate Initiatives
At the start of the year, there has been a notable trend of U.S. investors withdrawing from Climate Action 100+. Notable exits include Wellington, U.S. SRI investors, and California University Endowment. The upcoming year will serve as a critical test for the Net Zero Asset Managers initiative (NZAM) in retaining large U.S. investment managers who may be reconsidering their involvement. In response to pressures, NZAM has removed specific requirements and goals from its commitments, emphasizing the importance of fiduciary duty and the need for improved investment outcomes. The group’s previous target of limiting global warming to 1.5°C has been modified to a less stringent aim of “well below 2°C.” State Street Investment Management has already divested part of its business, and the upcoming release of NZAM’s updated signatory list is expected to reveal significant changes.
Increased Regulatory Scrutiny on ESG Practices
There are signs that attention is shifting towards the Principles for Responsible Investment, which were specifically mentioned in a request for information from Republican financial officials earlier this year. However, the broader scope of these principles compared to more focused climate initiatives makes them a more complex target, according to one U.S. investor. Michael Littenberg, a partner at Ropes & Gray and head of its ESG practice, foresees further actions from attorneys-general in red states targeting ESG-related practices among asset managers and proxy advisory firms, citing alleged breaches of fiduciary duty and violations of consumer protection and antitrust laws. Earlier this year, BlackRock reached a settlement with the state of Tennessee related to similar issues, while ongoing lawsuits from Texas and Florida against asset managers and proxy advisors remain in progress. Littenberg predicts that the U.S. will witness “another year of lawfare on both the left and the right” surrounding ESG initiatives.
Energy Transition Proves Resilient Amid Challenges
Despite the ESG sector facing hurdles and ongoing legal battles, many investors highlight that the energy transition remains robust in the U.S., presenting lucrative investment opportunities for asset owners. Investment consultancy RVK informed a Los Angeles pension fund that it anticipates the renewable energy market will thrive in the coming years, driven more by favorable economic conditions than by policy changes. Similarly, Maine’s public employee retirement system noted that its generalist GPs are increasingly finding energy transition investments more appealing compared to fossil fuel options. RVK also pointed out that as the production costs for renewable energy continue to decrease and energy demand rises, the sector is poised for growth, although high tariffs on renewable project components could pose challenges.
Impact of Anti-Sustainability Sentiment on Bond Markets
The bond market is feeling the effects of the rising anti-sustainability sentiment, with the U.S. previously being the largest market for ESG-labelled issuances but now barely making an impact in many banks’ projections. NatWest’s $1.1 trillion forecast for 2026 omits the U.S., focusing instead on increased issuance in the Asia-Pacific region. JPMorgan Chase attributes the decline in U.S. ESG issuance to a growing skepticism and political scrutiny. Barclays also indicates that the U.S. is expected to see “muted supply” in corporate ESG initiatives, citing a 53% year-on-year decline in issuance during the first 11 months of 2025 due to heightened regulatory examination.
AI’s Growing Influence in Investment Strategies
Artificial intelligence (AI) is emerging as a critical topic for investors as they enhance their focus on board oversight and the environmental and social implications of AI. RVK highlighted various risks associated with AI for a Los Angeles fund, including increased resource consumption, concerns about emissions from AI development, and potential job losses. Connecticut’s state treasury is considering actions regarding the Just AI Transition, and the topic is gaining traction in proxy voting policies. ISS STOXX has incorporated AI board oversight into its governance quality scoring for U.S. companies, assessing whether boards have the necessary oversight of AI and related policies. Nuveen is also examining AI from both technology and energy utility perspectives, engaging portfolio companies to gauge their understanding of the associated risks and benefits. Despite the uncertainties ahead in 2026, O’Brien remains optimistic about the resilience of the industry and the strong conviction from clients regarding sustainable investment opportunities.
