Produced by The World Wildlife Fund WWF. Anton Reyst travels to Hudson Bay in the north of Canada to get a firsthand look at the effects global warming has had on the landscape and wildlife there.

The ski season has begun on the Zugspitze, Germany's highest mountain. There are no more COVID restrictions, but now there's a new problem due to rising energy costs.

The 18-kilometer Fehmarn Belt Tunnel connecting Denmark and Germany will be the longest immersed tunnel in the world. This video explains how 360,000 tons of steel and 3 million cubic meters of concrete are being used to create the tunnel, which will run between Rødbyhavn on the island of Lolland and Puttgarden on the eastern coast of Schleswig-Holstein.

The heute-show is Germany's answer to The Daily Show in the US. In this episode, host Oliver Welke and "expert" Tina Hausten (played by comedian Martina Hill) look at ways in which Germany isn't exactly a role model when it comes to climate policy.

Germany is not a big enough country to devote all of its land to creating renewable energy – but there is another place with vast expanses of empty space and limitless sunshine.

In this video, physicist and author Harald Lesch talks about how Germany could phase out coal and nuclear power completely and still meet all of its energy needs.

The allure of the Feldberg Lakes with their clear, fresh water was described many years ago by the writer Hans Fallada. In the last part of this series, you can see how professional conservationists and volunteers are helping to preserve these impressive waters.

The condition of the aquatic habitat is checked at regular intervals by conservationists and some interesting discoveries have already been made. Meanwhile, the ospreys are gradually training their young to become independent.

The meadows around the Feldberg Lakes are home to an enormous variety of floral and fauna. While deer, foxes, and hares live on land, predatory and non-predatory fish can be found underwater, where the natural balance is being threatened by anglers.

A few very special insect species can be found around the Feldberg Lakes. Otters and other water creatures also live here, and the full moon seems to have a special effect on them.

This part is about the offspring of the various inhabitants of the Feldberg lakes. How do the parents behave after the mating season? How dangerous is life for the various species, and how do they protect themselves?

In this segment, we get to know other creatures living in the Feldberg lakes and learn who the "grandmother" is.

The Feldberg Lakes are a veritable paradise for various species of eagle. In this video, we meet the kings of the skies as they engage in courtship displays, hunting, and nest building.

The Feldberg lakes are home to mysterious creatures that look like plants and can only be found in an unspoiled habitat. Get to know these exciting organisms, some of which truly fascinate scientists.

This installment of our series on the Feldberg Lakes focuses on fish and how they reproduce. We also meet the savior of the eastern bullhead.