We examined the net-zero commitments made by Global Systemically Important  Banks (G-SIBs). In recent years, large banks have significantly increased their  ambition and now disclose more details regarding their net-zero targets. There is  also growing convergence, with the vast majority of G-SIBs now being part of netzero alliances. Despite this progress, some practices should be further improved. We  assessed climate-related risks disclosures publicly available for G-SIBs in 2022. The  paper gives an overview about potentially problematic disclosure practices with  regards to their net-zero commitments. It identifies and discusses a number of  observations, such as the significant differences in sectoral targets used despite  many banks sharing the same goal, the widespread use of caveats, the missing  clarity regarding exposures to carbon-intensive sectors, the lack of clarity of “green  financing” goals, and the reliance on carbon offsets by some institutions. The  identified issues may impact banks’ reputation and litigation risk and risk  management. The paper explains how the introduction of comparable international  rules on climate disclosure and the introduction of transition plans, as envisaged and  partly already in place in the European Union, could help mitigate these risks.