In the last segment of this Il était une fois... episode on technology, we learn more about what vertical farms can do to help the planet thrive. The first commercial vertical farm recently opened in Singapore.

The students present the Maestro with various solutions for eliminating pollution on our planet, including vertical farms and biotechnology.

A group of smart young people found revolutionary ways to solve our planet's woes. Electronic books, Internet mail and much more...

Modern technology comes to the rescue! Planet Earth has a chance of recovering from man-made pollution.

Technology not only helps clean up our planet, but also allows us to explore the entire universe. According to the astrophysicist Alfred Vidal-Madjar, in five hundred years, we will have visited all the planets in the solar system.

In the final part of this Il était une fois... episode on the ecosystems, the Maestro explains what happened to the people and the famous statues of Easter Island. It's a lesson we'd do well to learn from.

In part seven of this episode on the ecosystems, the young students are on a field trip (a marsh trip to be exact), where they witness firsthand the destruction of this precious ecosystem. But this is not a new phenomenon: once upon a time in Polynesia...

In the next segment of this Il était une fois... episode on ecosystems, the Maestro teaches us how to build a butterfly garden. You can build one anywhere—even on your apartment balcony!

The Maestro surpervises the building of a pond for the butterfly garden. Everything goes according to plan, despite the work of a few practical jokesters.

These young people want to do their part for the planet. Under the Maestro's supervision, they prepare a butterfly garden after learning that butterflies are an endangered species.

The Maestro tells his students about the famous "Biosphere" project in Arizona, the largest enclosed ecological system in the world.

In the first episode of this new cartoon series, Once Upon a Time... Planet Earth, deforestation issues are addressed from outer space... Just grow a few trees in a spaceship and plant them on land later!

In June 2011, a demonstration was held in Paris to protest nuclear power. Among the demonstrators were two precocious little girls who had a lot to say on the subject. The interviewer could hardly get a word in!

Being born premature is risky, but thanks to modern medical techniques, six out of ten babies who are born greatly premature will grow up to be perfectly healthy children.

Tuberculosis remains a deadly disease—affecting 10.6 million people annually and killing one person every twenty seconds. The recent development of multidrug-resistant strains of the bacteria has made TB even more threatening. Especially affected are areas without the proper means of fighting the illness. Eight countries accounted for more than two thirds of the global total: India, Indonesia, China, the Philippines, Pakistan, Nigeria, Bangladesh and the Democratic Republic of the Congo. According to the WHO, 13 billion dollars would be required to effectively combat the disease.