The first lever is extending equipment lifespan: going from 4 to 6 years reduces the footprint by 30 to 50%. The second is buying refurbished equipment, which emits around 70% less than new and is sufficient for office use. Next come repairing rather than replacing, and the choice of cloud hosting region: a service hosted in France or Scandinavia emits 5 to 10 times less than one hosted in the United States or Germany. Changes to usage, such as switching off screens, have only a marginal effect in France.
Read the source article: IT carbon footprint of a French company: where to act first