I think the basic idea is to cross energy use of a language with ubiquity of existing deployments. So take energy use benchmarks from things like this https:/

I think the basic idea is to cross energy use of a language with ubiquity of existing deployments. So take energy use benchmarks from things like this https://haslab.github.io/SAFER/scp21.pdf https://haslab.github.io/SAFER/scp21.pdf https://github.com/kostya/benchmarks https://github.com/kostya/benchmarks and cross it with popularity? https://spectrum.ieee.org/top-programming-languages/ https://spectrum.ieee.org/top-programming-languages/