Global Banks Standardize Climate Financing Metrics Amid Regulatory Shift

The banking sector is entering a new era of transparency as financial institutions move forward with a unified approach to measuring climate financing. For years, the industry has operated in a fragmented landscape of voluntary disclosures, often criticized for greenwashing or a lack of comparability. However, the recent push toward a standardized key climate financing measure—primarily centered on financed emissions and the Green Asset Ratio (GAR)—represents a fundamental shift from aspirational goals to rigorous, audit-ready data.

At the heart of this transition is the recognition that a bank's most significant climate impact lies not in its own operations, but in the activities it finances through its lending and investment portfolios, known as Scope 3 Category 15 emissions. In Canada, this shift is being accelerated by the Office of the Superintendent of Financial Institutions (OSFI) through Guideline B-15. This regulatory framework mandates that federally regulated financial institutions manage and disclose their climate-related risks, effectively turning what was once a corporate social responsibility exercise into a core risk management and financial reporting requirement.

“

In Canada, this shift is being accelerated by the Office of the Superintendent of Financial Institutions (OSFI) through Guideline B-15.

The global context is equally compelling. The International Sustainability Standards Board (ISSB) has successfully established IFRS S2 as the global baseline for climate-related disclosures. This standard, alongside the methodology developed by the Partnership for Carbon Accounting Financials (PCAF), provides the technical infrastructure necessary for banks to calculate the carbon intensity of their balance sheets. For investors, this means the ability to compare the climate risk profiles of major institutions like Royal Bank of Canada and TD Bank Group with global peers using a consistent set of metrics.

The implications of this standardization are profound. In the short term, banks are facing significant operational challenges in data collection. Gathering granular emissions data from thousands of corporate clients—many of whom are not yet reporting their own footprints—is a monumental task. This has led to the development of sophisticated proxy models and a surge in demand for climate data providers. However, as data quality improves, the key climate financing measure will likely influence capital allocation. Banks may begin to price carbon risk into their loans, potentially increasing the cost of capital for high-emitting sectors while offering more favorable terms to transition-aligned projects.