Dans l'atmosphère, à une altitude d'environ 20 à 30 kilomètres, la couche d'ozone nous protège des rayons UV cancérigènes. Mais sur Terre, au sol, l'ozone est un problème. En effet, le gaz incolore et toxique pollue les personnes et l'environnement. Plus d'informations sur l'ozone : http://www.umweltbundesamt.de/ozon Traduction et doublage : alugha
What is nitrogen, what is reactive nitrogen? Why is too much of it a problem for humans and the environment? And what can we do about it? Our video provides answers. More information on reactive nitrogen on the UBA website at https://www.umweltbundesamt.de/themen/luft/wirkungen-von-luftschadstoffe
Drinking water is our most important aliment. And as with other foods, packaging, shelf life and temperature play an important role. This explainer video describes what influence the drinking water installation has on the quality of our tap water and what homeowners and consumers should pay attent
Who hasn't experienced this: Different dosages for different water hardness levels are indicated on the detergent package. But what exactly is water hardness? What distinguishes "hard" from "soft" water? How hard is my drinking water? And what do I have to consider when it comes to hard water? Thi
