Microlearning Lesson

Double Materiality

A straightforward explainer

This short lesson explains double materiality in simple terms, looking at both the outside-in and inside-out perspectives used in sustainability reporting.

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Lesson Overview

Seeing both sides clearly

Double materiality can sound technical, but the basic idea is straightforward. It asks us to look at how sustainability issues affect a company and how a company affects the world around it.

This lesson cuts through the jargon and focuses on the two perspectives at the heart of the concept.

In this lesson, we explore:

  • The outside-in perspective: how sustainability issues can affect a company’s financial position and performance
  • The inside-out perspective: how a company’s activities can affect the environment, society and broader stakeholders
  • Why regulatory focus often leans toward the external view
  • Why materiality needs to be considered thoughtfully, not only through a short-term financial lens

Access This Lesson

This lesson is included in the Sustainable Investment Hub, with annual access to selected courses, guides, webinars and microlearning lessons on responsible investment, ESG and sustainability.

€99/year

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Short lessons. Clear thinking.

A practical explanation of double materiality and why both perspectives matter in sustainability reporting.

Vincent McCarthy, CFA
Founder, Responsible Investment Institute®