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.

Till wraps up his segment on climate change, emphasizing the importance of introducing new policies and regulations rather than so much responsibility being placed on each individual.

Big oil would prefer that consumers feel responsible for preventing global warming — specifically, through being “critical consumers.” But do we really know which groceries are good or bad for the environment?

The latest climate report gives little hope for saving the Earth from global warming, but a renowned climate researcher still sees a small chance. Till gives a bit more info in this segment.

In this video, the heute-show's Till Reiners takes aim at disposable cups — and shows how many resources are needed to produce them every year.

Since 1970, the number of wild mammals, birds, and insects has fallen by 68 percent. The World Biodiversity Council warns that around one million animal and plant species could become extinct in just a few decades.

Drivers are seeing red at this traffic light in Dresden – and it's been that way for 25 years! Does that sound insane to you? It is! But there's a reason behind it ...

After spending years in prison, Mr. Lehmann is up for retrial. Andrea's husband is acting as his lawyer now – will there be a new outcome?

To everyone's surprise, some last-minute adjustments are made to the commercial. But they should have known that Hansen was always going to have final word.

The set of the show "aktuelle sportstudio" is hijacked by Jan Böhmermann, who puts the presenter out of action with a taser and demands a better broadcasting slot. Only one person can save this situation, which has gotten completely out of hand...

The commercial has been shot and is now ready to be edited. Mr. Hansen has also come to see the results, accompanied by Ms. Gerstenberg. The look on his face speaks volumes...

Now all that's missing is the music for the commercial. The agency has brought in the experts to produce a suitable rap with children. And Mr. Hansen finally makes a personal appearance to see the results.

The shoot seems to be going really well until a problem suddenly comes to light, and Lutz and Adrian immediately blame each other. Can they work it out before the client notices?

Here we witness the crew's extensive preparations for the Twinfruit shoot and see Strawberry and Orange in action. Ms. Gerstenberg and Mr. Müller from the Hansen company are most impressed by what they see.

The age of Homo erectus has dawned! What abilities did he have and in what ways did he resemble modern humans? To find out, watch this video, which ends with a quotation from one of Germany's greatest poets, Friedrich Schiller.