Interesting page, but quite extensive and not particularly easy to read.
For developers who are interested in recommendations by scientists how they can personally make an effective contribution, here are two interesting publications:
https://iopscience.iop.org/article/10.1088/1748-9326/aa7541 (the most effective individual actions)
https://www.researchgate.net/publication/320436353_Energy_ef... (energy efficiency across programming languages)