28. March 2019

You don’t need a thick sweater to heat your house climate neutrally.

“Put on warm clothes.” The “Thick Sweater Day” “Put on warm clothes,” one says colloquially in German, as a warning to “watch your back”, perhaps even […]
4. November 2018

Paper handkerchiefs and the “Blue Angel”. Can they have anything in common?

Have you ever thought about paper handkerchiefs? No? Easy to understand. Because handkerchiefs, as well as any other useful everyday companions seem rather inconspicuous. Only when […]
Green energy. A contribution on current events
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