NZBA drops 1.5°C financing requirement as banks exit alliance

The Net‑Zero Banking Alliance (NZBA) announced that it will no longer require members to align lending and capital‑market activities with a 1.5°C warming scenario, a shift driven by a vote of its members and a wave of departures from major U.S. and Canadian banks [1]. The change comes as the coalition’s roster shrank from over 140 banks to 128, representing $47 trillion in assets [1].

Key takeaways

• NZBA eliminates the mandatory 1.5°C financing target, moving to a “recommendation” language [1].
• Membership fell to 128 banks after a series of exits by large U.S., Canadian, and other banks, reducing assets under representation to $47 trillion [1].
• The alliance says the revision reflects a “new reality” in the external landscape for banks and aims to focus on unlocking real‑economy decarbonisation opportunities [1].
• Critics view the shrinkage as a setback for climate finance, describing it as a “shameful reversal” of commitment [2].
• NZBA plans a vote on transitioning from a membership‑based alliance to a guidance framework, with results expected in September 2025 [2].

Shift from mandatory to recommended targets

When the NZBA launched in 2021, it required members to set 2030 financed‑emissions targets and to align lending activities with net‑zero pathways by 2050 [1]. In April 2024, the group added a mandatory clause that banks “shall set a 2050 target to support meeting a 1.5°C outcome” on a comply‑or‑explain basis [1]. The latest revision replaces that clause with a softer recommendation that banks “should set a 2050 target to support meeting a net‑zero goal and the goals of the Paris Agreement” [1]. The alliance says the softened language will allow banks to focus on practical support for their own climate strategies and on policy work that “stimulates markets and unlocks opportunities for investment” [1].

Membership decline and future direction

The NZBA’s rapid expansion to over 140 banks and $74 trillion in assets in 2024 was followed by a wave of departures, especially from major U.S. and Canadian institutions, amid political pressure from Republican lawmakers warning of legal risks for climate‑focused groups [1]. After these exits, the alliance now counts 128 banks with $47 trillion in assets [1]. Observers in the sustainability field describe the contraction as a disappointment, but not an outright collapse, noting that the broader climate‑finance movement continues despite the alliance’s reduced size [2]. The NZBA has initiated a member vote to decide whether to evolve into a “new framework initiative” rather than a traditional membership body, with a decision expected by late September 2025 [2].

Why it matters

The removal of the 1.5°C financing requirement signals a retreat from the most ambitious alignment goals that many climate advocates consider essential for limiting global warming. While the NZBA argues the change reflects a realistic assessment of the banking environment and will help members pursue decarbonisation in the real economy, critics see the shift and the loss of large banks as a weakening of collective climate finance pressure. The upcoming vote on the alliance’s future structure will determine whether NZBA continues to play a coordinating role or becomes a more advisory framework, influencing how banks set and report climate targets in the years ahead.