Amount of greenhouse gas (GHG) emissions avoided through carbon offsets purchased during the reporting period.
Amount of greenhouse gas (GHG) emissions avoided through carbon offsets purchased during the reporting period.
Organizations should footnote relevant details on the carbon offsets purchased, along with the assumptions and methodologies used in calculating the emissions avoided. See usage guidance for further information.
This metric is intended to capture greenhouse gas emissions avoided through carbon credits purchased during the reporting period. The same data captured through this metric can also be captured through a combination of Greenhouse Gas Emissions Mitigation Types (OI9839) and Greenhouse Gas Emissions Avoided or Reduced (PI2764).
In some contexts, this metric can serve as an indicator of whether the outcome being sought by an investor or organization is occurring (the WHAT dimension of impact). For more on the alignment of IRIS metrics to the five dimensions of impact, see IRIS+ and the Five Dimensions of Impact (https://iris.thegiin.org/document/iris-and-the-five-dimensions/). No single metric is sufficient to understand an impact; rather, metrics are selected as a set across all dimensions of impact. When possible, the selection of metrics to measure and describe the five dimensions should be based on best practice and evidence.
June 2022 - IRIS v5.3 Released (current version)
Material change. Revision to definition and usage guidance for clarity.
May 2021 - IRIS v5.2 Released
Immaterial change. Minor revision to usage guidance for clarity.
January 2020 - IRIS v5.1 Released
Immaterial change. Minor revision to Usage Guidance for clarity.
May 2019 - IRIS v5.0 Released
No change.
March 2016 - IRIS v4.0 Released
New metric. Greenhouse Gas Emissions Avoided due to Carbon Offsets Purchased (OI6774) was developed via the IRIS Taxonomy Group.