As role models, teachers are multiplicators (multiply the impact of a teacher not only with amount of students - and students of their students but also with the ΔT)

Bring students outdoors !

Not cynicism but honesty and idealist action should be reaction to the hypocrisy of the global north

Audit how much You already have (open & transparent inventories) and how much You consume (energy)

Recycle & Upycle: Transform outputs & byproducts (excess heat, polymers, wood) into inputs

Define local budgets (energy, GPU compute, carbon)

Share...

Pay people, not corporations (Digitalpakt v2.3).

Foster Yous institutional "Nachwuchs", it's the best investment Your institution will ever have.

(Neuro)diversity, Equity, Inclusion

Avoid Software-as-service (SaS) or cloud-based SW solutions

Choose F/LOSS alternatives, consider Foundations (Blender Foundation, Mozilla, Wiki etc.) as partners for projects

Respect & cherisch existing "pet projects" and invite people to bring new ones into existence