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

Faire (to make or to do) is one of the most basic verbs in the French language, and it is used in a large number of expressions and idioms. Margaux and Manon give us some colorful examples of the uses of faire in this video.

The French town of Morlaix is educating its citizens on the dangerous effects of global warming and what they can do to stop it. Their first defense against climate change: an electric bike!

Human rights are an important world issue, and children's rights are no exception. In this Yabla exclusive, Marie and Sakhoura list the key points of the United Nations Convention on the Rights of the Child.

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.

France's Aube department has the highest concentration of wind energy in the country, which makes it the perfect place to experiment with new wind technologies and create a model for all of Europe.

Daniel Benchimol visits Fontainebleau, a town south of Paris that many French kings visited. Its magnificent Renaissance style castle was Napoleon's favorite residence.

Margaux and Manon recite "The Crow and the Fox," a famous fable by the French poet Jean de La Fontaine, and explain some of the more difficult lines for us. It's a good poem to memorize to improve your French!

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.

Some people believe that plants contain pollution-reducing properties. However, a study by a group of researchers in Lille debunked that theory.

Lauren shows us around the Croix-Rousse neighborhood in Lyon, famous for its traboules, a series of passageways located below the buildings. The neighborhood is a favorite spot for artists and families alike.

Could you imagine being told that you're adopted and then being kidnapped immediately after? That's what happens to the little critter in the first part of this "Zooriginaux" episode. It definitely sounds like the grounds for an identity crisis!

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!

Margaux and Manon are playing shop. Margaux is the lucky customer buying shoes and Manon settles for second best, playing the shopkeeper. Now you're all set to go shoe shopping on your next trip to France!

Lauren continues her tour of Lyon's Croix-Rousse neighborhood, a favorite haunt of artists and students who go there to live, work, and shop. The neighborhood also maintains its heritage as a center for craftsmen.