[jtmiclat]

ThoughtWorks made an app that does this: https://github.com/cloud-carbon-footprint/cloud-carbon-footp... but mainly works with aws, azure, and gcp

You might be interested in their methodology page https://cloudcarbonfootprint.org/docs/methodology/

Full disclosure: My company was one of the early testers of the app

[bambooloutre]

I use it for my job, pretty useful for cloud usage and available CLI for in-depht analysis