Plastic bags - only used for 12 minutes
Since Migros and Coop demand 5 rps. per plastic bag, the use of them has been decreasing since then. Its a very important subject because of useless use of plastic, which is used for only several minutes before it gets thrown away.
https://dontwastemy.energy/2017/01/20/plastic-bags-only-used-for-12-minutes/
Does the population of Zürich waste too much water?
Zürich is the biggest city in Switzerland. It might be normal, that Zürich has the biggest water demand, as they have to pay for the populations keep and not only...
https://dontwastemy.energy/2018/05/28/does-the-population-of-zurich-waste-too-much-water/
The lighting conditions in the North
Cause of the special weather circumstances, Scandinavia has a different use of light and energy than central Europe.
https://dontwastemy.energy/2019/01/22/the-lighting-conditions-in-the-north/