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Economic growth is not infinite and it is time to consider the meaning of the limit. Nicola Armaroli, director of the National Research Council, accompanies Piero Angela in a reflection on the need - essential to save the planet we live in - to direct the energy system towards sustainable technologies, such as geothermal and solar energy.

Although food scarcity has been overcome, the current world still presents glaring imbalances in its distribution. Piero Angela with Paola Bonfante, botanist from the University of Turin, retraces the stages of agricultural production in the past and looks at future directives, which must have absolute priority for respecting the environmental system and human health.

In this technological era, the video game industry generates a worldwide turnover beyond all expectations. Creating video games requires interdisciplinary skills, from computer science to psychology to communication. Piero Angela together with Marco Mazzaglia of the Polytechnic of Turin explores the most interesting aspects linked to what can be defined as the most playful discipline of our time.

The game must be worth the candle! For Roberto Cingolani, Leonardo's physicist and researcher, it is almost a mantra to keep in mind even when talking about technology and artificial intelligence. Together with Piero Angela he invites us to reflect on the repercussions - sometimes not very evident - that technology can have in "real" life, from economic to environmental ones.

The balance between the great economic and political powers in the world are explained with skill and liveliness by the political scientist Paolo Magri, of the ISPI in Milan. The expert accompanies Piero Angela on a journey through history to lead us to an understanding of current events, with clear metaphors of the mechanisms that guide the world.

Piero Angela explores the scenarios of 2100 with the demographer Antonio Golini and analyzes the economic and social prospects that will arise, from emigration to the repercussions on welfare. In the last century we have, in fact, witnessed the population doubling twice. This phenomenon brings with it imbalances and problems that the future generation will have to face.

The economy of the future will have to aim for a balance based on an equitable distribution of wealth. As? Considering all aspects of production and use of resources. According to the economist Pietro Terna, guest of Piero Angela, an economic system must be compatible not only with the needs of man, but above all with the needs of the planet.

What will the job market be like in twenty years? Who will pay the pensions? In this episode, Piero Angela accompanied by the economist from Bocconi University, Tito Boeri, explains how the future is a delicate balance in the hands of the young generation who will have to have the skills and wisdom to guide the political and social choices of the coming years.