Polar bear habitat

Polar bears live in five countries: USA, Canada, Greenland, Norway and Russia. There are a total of 19 geographically separated populations. Four of them are acutely endangered, five stable, and one population is even growing. Author: ZDF/Terra X/Spiegel TV Media/R. Hillmann/R. Marel/C. Gerisch/A. Kindler/Maximilian Mohr Translation and dubbing: alugha Click here to watch more videos: https://alugha.com/TerraX

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What if the moon did not exist?

Without the moon, there would be no seasons, the days would be shorter, and there would hardly be any high and low tides. And some nocturnal predators would probably become extinct. Author: ZDF/Terra X/Malte Jessl/Jochen Rall/Maximilian Mohr Translation and dubbing: alugha Click here to watch mor

Sun and lunar year

Ancient Greek scholars knew the difference between the solar and lunar year. While the earth revolves around the sun once in the course of a year, the moon revolves around the earth about twelve times. Author: ZDF/Terra X/Tobias Schultes/WENDEVARGA Translation and dubbing: alugha Click here to wa

Why does the ice shelf melt

The Antarctic ice sheet is the world's largest permanently icy area. If the sea warms by just 0.5 degrees, the ice shelf melts from below and breaks at the edges. Author: 3sat/nano/mobyDOK/Alexander Lahl/Max Mönch/Jean Schablin/Robert Coellen/Mirko Tribanek/Mandy Blaurock,Susan Kreher/Jochen Schmid