On connait tous cela : différents dosages pour les différents niveaux de dureté de l'eau sont indiqués sur l'emballage du produit lessive. Mais qu'est-ce que la dureté de l'eau ? Quelle est la différence entre l'eau dure et l'eau douce ? Quelle est la dureté de mon eau potable ? Et que dois-je prendre en compte lorsque je consomme de l'eau dure ? Ce film explicatif apporte des réponses. Traduction et doublage : alugha
In the atmosphere, at an altitude of about 20 to 30 kilometers, the ozone layer protects us from carcinogenic UV rays. But on earth, on the ground, ozone is a problem. Here, the colorless and toxic gas harms people and the environment. More about ozone: http://www.umweltbundesamt.de/ozon Transla
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
