How do SASB and TCFD differ as ESG disclosure frameworks?

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AcadiFi · Accepted Answer

SASB (Sustainability Accounting Standards Board, now part of the ISSB) provides industry-specific sustainability disclosure standards focused on financially material ESG issues. It defines 77 industries, each with its own set of material topics and metrics. A software company reports under SASB's Software and IT Services standards (data security, employee diversity, privacy), while a mining company reports under Metals and Mining (water management, waste, community relations). TCFD (Task Force on Climate-related Financial Disclosures) is climate-specific and cross-industry. It structures disclosure around four pillars: governance, strategy, risk management, and metrics and targets. TCFD emphasizes scenario analysis under multiple climate pathways (including 2 degrees C) and encourages integration with financial filings. The two are complementary. SASB provides the broad sustainability footprint across E, S, and G topics on an industry-relevant basis; TCFD provides deep climate analysis that cuts across industries. The ISSB's IFRS S1 (general sustainability) and S2 (climate) standards are essentially a merger and evolution of both frameworks into a single global baseline. For a utility such as a fictional Beldrake Power, SASB Electric Utilities metrics cover GHG emissions, water withdrawn, coal ash management, and grid resilience; TCFD adds scenario analysis of carbon pricing impacts on a remaining coal fleet under a 1.5 degrees C pathway, and governance disclosures on how the board oversees climate risk. Together, these give analysts a comprehensive picture. ```mermaid graph LR S[SASB
77 industries] --> I[ISSB
S1 S2] T[TCFD
climate pillars] --> I I --> A[Analyst use] ``` For CFA candidates, treat SASB and TCFD as overlapping-but-distinct lenses; both feed into ISSB harmonization.

How do SASB and TCFD differ as ESG disclosure frameworks?

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