Measure the carbon footprint of code in the development pipeline.
Easy to implement
5 High impact score
In order to ensure sustainability is thought of as a non functional requirement in the same way as security, performance and accessibility, it must be actively measured and monitored during the development cycle, as per checking security with Snyk, or accessibility with Lighthouse.
Other tools:
Greenframe.io, Green Metrics, Green Software Foundation Pipeline, SDIA DEF and EcoPing.