Lake Lucerne in central Switzerland is a large energy reserve that provides cold and hot water for individual and collective heating, cooling, and air conditioning needs in an environmentally friendly way. Find out more about how it works!

30 degrees Celsius instead of 40: The campaign "Wir drehen runter" ("We're turning it down") from the environmental foundation WWF and detergent brand Ariel aims to convince people to wash their clothes at lower temperatures. This not only protects the climate, but also saves energy and, therefore, money.

As a preparation for Frankfurt’s “Herbs Day,” more than five hundred children made propellers and planted them in a field in Frankfurt’s Bonames district.

Interviews on the subject of AIDS and HIV on occasion of World AIDS Day.

Manfred Niekisch, the director of the Frankfurt Zoo, answers the question about how the zoo animals handle the harsh winter months. He also reveals the unique treat they get during this special season.

The German national team achieved third place at the Soccer World Cup 2010 in South Africa. Back in Germany, how do the people of Frankfurt feel now that the World Cup is over, and what will they do with their newfound spare time?

In their first survey, the youth editors at the Neue Württembergische Zeitung asked passersby in Göppingen (a town southeast of Stuttgart) how it feels to be beautiful. The pedestrians were surprised, touched, and flattered by this question!

Before we begin, here’s a bit of theory about ultimate frisbee. In this sport, great importance is placed on mutual respect and fairness.

Oli from the Karlsruhe Gummi Bears explains the fast paced game of Ultimate Frisbee. Our reporter gets in on the action of the sport that may one day even feature in the Super Bowl halftime show! (But no, you don’t need a helmet.)

Old meets new when German rock legend Udo Lindenberg and young German singer Clueso team up to perform Udo’s old classic hit 'Cello' together. What beautiful sound they create!

This is a song about immortality and the footprint we leave behind, according to Udo Lindenberg, who sings it together with Apache 207. A star was even named after this song on January 25, 2023!

The inflation rate is rising rapidly in Germany. What do people think about that? "TV total" went to find out.

“Zarathustra’s Roundelay” is a poem that appears twice in Nietzsche’s Also sprach Zarathustra (Thus Spoke Zarathustra). Here, singer Caroline Tudyka transforms the lines of the poem into lyrics, which she then imbues with profound sorrow.

This song by Caroline Tudyka in French and German is based on a poem by German-Jewish poet Else Lasker-Schüler, one of the greatest poets in German history. Lasker-Schüler fled from the Nazis and died in Jerusalem in January 1945. She always longed to return to the Berlin of her memories, before so much of it was bombed.

They say that women are similar to the flowers they wear — but what if someone happens to be a little prickly? Caroline Tudyka sings "Mein kleiner grüner Kaktus" (My Little Green Cactus), one of the most famous songs by the 1930s German vocal ensemble known as the "Comedian Harmonists.”