
Understanding IFRS S2 and the Sustainability Standards
What IFRS S2 actually requires, how it works alongside IFRS S1, and what both standards mean for companies reporting under the ISSB's framework.
The Spend-Based Method is one of the two approaches to carbon accounting, which works by taking the monetary value of a purchased good or service and then multiplying this value by a relative carbon emission factor in order to calculate the amount of greenhouse gas emissions produced. This is considered the more simple way to calculate carbon emissions, but is not as precise as the activity based model.

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