You might have watched “The Truman Show”, been excited by space missions, and replaced your bed light without noticing it, but the movie with Jim Carrey, Apollo 13, and lightbulbs all have something in common with circularity.

Maguy Soldevila is a former art teacher. Some years ago, she quit the frenzy and the pollution of the French city of Lyon to move into a typical house of the 1960s, in the small village of Sail-sous-Couzan.

A book of learning experiences, in which every chapter is explained through a piece of art. The theme: the transformation of CO 2 into something useful, using man-made diamonds.

Nothing is lost, nothing is created, everything is transformed. The principle underlying modern chemistry seems to support efforts by scientists to fight CO 2 emissions.

Bioenergy represents two-thirds of the energy produced from renewable sources in Europe, though biomass sustainability is not taken for granted.

Urban mining is increasingly being taken seriously by industry because it gives access to materials—such as expensive metals used in electronics—that are buried in waste tips and landfills.

Europe's tyre waste production is 3 million tonnes per year. Currently 65% to 70% of used tyres end up in landfills. Not only are they causing environmental damage, but a loss of added value in the form of new products that recycling can generate .