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.

Land is used in different ways in Germany: for housing, commerce and industry, agriculture, transport, or nature reserves. Different parties have conflicting interests when it comes to deciding what to build where. This is where spatial planning comes into play…

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!

Is it possible to extract oil and at the same time protect the environment, or is it just a matter of disguising the reality and making carbon footprint numbers look better than they are? Here, we take a look at Germany’s only oil platform.

Pets often provide great comfort to aging humans. But what happens to these faithful companions when their owners suddenly pass away? Dogs, cats, and other furry animals have good chances of being rehomed; the story is different for the snakes and lizards at the reptile sanctuary in Munich. Copyright: Deutsche Presse Agentur [The German Press Agency]

Believe or not, Germany is home to a fascinating range of wild animals. Learn more about the beavers, wolves, storks, lynxes, and wild bees who live there.

Viva con Agua is a Hamburg-based charity that helps people around the world have access to clean drinking water. Here, a group of local kids partake in a sponsored run – RUN4WASH – in order to raise money to help others.

The weekly political satire show “extra 3” takes a look at what it really means to be an environmentalist. Do certain habits really make a difference, or do they just make someone feel better?

This entry in the “explainity” short video series lays out the concept of sustainability and its three pillars: environmental, social, and economic.

Part 2 highlights the negative aspects of tourism, but also shows ways in which tourists can contribute to the local economy and travel more sustainably overall.

Who doesn’t like vacationing in beautiful and fascinating countries – like those of Southeast Asia, perhaps? Tourism is an important economic factor for many developing and emerging economies, but it can often also create problems for the environment and the local population.

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.

Produced by The World Wildlife Found WWF, this clip featuring music by German singer Clueso reminds us of the amount of plastic going into our oceans – something we must not forget in the course of our day-to-day lives.

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.

Produced by The World Wildlife Found WWF. Here are some more tips for reducing the amount of plastic you use on a daily basis. It's not just food that comes wrapped in excess plastic, but cosmetics and DVDs as well.