The current issue of ElReg is effusive in its praise for Mint’s LTS Vanessa beta.
I’ll confess that I do not like LTS versions because they put stability ahead of security. In other words they deliberately lag behind new Linux kernel releases. Although this attitude used to be appropriate we now see new CPU side-channel attacks coming out at regular intervals. A two years old kernel just does not cut it.
If however you look beyond El Regs praise for things Green, you will note that most of the praise comes for Red Hat’s FlatPak repository and the way its containerized sand-boxed apps open the world of Linux to wider app choices free from dependency hell.. However, Flatpak is not confined to either Redhat or Mint, but can fairly easily be installed in Ubuntu or any other Debian distro through the method disclosed in this article>