Navigating the modern ESG landscape requires decoding a complex, evolving vocabulary of regulations, reporting standards, and environmental metrics. This guide breaks down essential sustainability terminology—from Scope 1, 2, and 3 emissions to CSRD, double materiality, and greenwashing, helping corporate leaders and investors speak the language of sustainable impact.

GRI, SASB, TCFD, ISSB, CSRD… if sustainability reporting feels like alphabet soup, you’re not alone. This simple guide breaks down what each framework and standard actually does, how they differ, where they overlap, and which ones businesses need to understand in today’s evolving ESG reporting landscape.