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The intestine is a true marvel. This organ’s complex functions extend far beyond the mere processing of food. The intestine affects the immune system and also has a powerful effect on our emotional well-being.

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For some women, getting pregnant is only possible through egg donation. It’s a pathway to parenthood with children who aren’t biologically their own. While egg donation is legal in many countries, it’s banned in places like Switzerland and Germany. This film takes a compassionate look at the impact of this medical dilemma and the laws that often make little sense to the people who are affected by them. Why is sperm donation allowed in so many places, but not egg donation? Why do donors in so many places have to remain anonymous, even though it could cause emotional problems for the children? The film also shows that with an empathetic approach, it’s possible to avoid trauma and help children and families navigate this complicated journey.

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All around the world, scientists are working to recreate lost animal species such as the mammoth. Using modern genetic techniques, they’re extracting ancient genetic material from museum exhibits. However, these practices are also attracting criticism. Biology researchers question the usefulness of revived species for natural habitats. They fear that the excitement surrounding the idea of bringing back extinct species could distract people from the many problems that cause animals to disappear, in the first place. Are some scientists playing God - with unforeseeable consequences for the environment?

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Ten of the world's fastest growing economies are located on the African continent. Companies in the field of science and innovation are being promoted. Climate-friendly ideas for the future are already being realized in African countries. However, climate change caused by industrialized nations in the northern hemisphere poses a particular threat to Africa. Of the almost 1.5 billion Africans from 54 countries, as many as 117 million people could be at risk from rising sea levels in 2030. By 2100, Africa’s total population could be around 3.8 billion. One solution under consideration is to build a floating city in Lagos, Nigeria, that can adapt to the consequences of climate change.

In the USA, abortion rights are tearing the nation apart. Abortions are banned in the state of Texas, but that's not enough for anti-abortion activists. They go even further -- and encounter resistance. The film follows one of America's leading abortion opponents, Mark Lee Dickson, in Texas. He wants to prevent women from traveling to another state for an abortion. Dickson and his followers believe that abortion is always murder. They do not even accept the birth control pill. They believe that life begins with the union of sperm and egg. As a result of Texas' strict abortion policy, clinics offering abortions have had to relocate to neighboring New Mexico. How do the bans affect women? And what is it like to work as a doctor who performs abortions? The film examines questions like these. But the film also shows that there is resistance to Dickson's campaigns, including a women's group that opposes the ultra-conservatives.

Canada's Great Bear Rainforest is a place where the rainforest and Pacific Ocean meet. This special forest is home to countless spruce and fir trees. One very special species towers above them all, giving many animals shelter: the giant arbor vitae, or ‘Tree of Life’. Forest and ocean live in symbiosis here. When heavy rainfall erodes the soil, nutrients are transported through the rivers to the sea, where they benefit the humpback whales. Nowadays, however, this complex ecosystem is threatened by massive logging. Here, too, humans are jeopardizing a balance that has existed for thousands of years.

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Peatlands bind more carbon than forests. But in Germany, almost all the country’s natural peatlands have been drained. Now, they’re emitting greenhouse gases. People around the world are currently working to rewet the moors - while keeping them usable for agriculture.

Water is scarce, but global demand continues to rise. Humanity is facing serious disputes over our most important resource. What impact is our lifestyle having on our planet's water cycles? Along six rivers on four continents, the documentary explores the question of why this vital resource, water, is becoming increasingly scarce - and who’s responsible. 70 per cent of fresh water is used in agriculture. Around 20 per cent of global water pollution is caused by the textile industry. The film provides rare insights into Indian factories and life in the places where contaminants are discharged. But it’s not all bad news. In the film, we also meet people who’ve come up with solutions.

Some twenty years ago vultures were close to extinction in much of Europe. Since then, the birds have been successfully reintroduced in parts of Germany, Spain and France. They may be back, but vultures still face many dangers.