Bel-Air, News About a Second Atmosphere by Mathieu Lehanneur is a groundbreaking exploration of sustainable design and environmental innovation. Lehanneur’s work reimagines our relationship with everyday objects, proposing that they not only serve practical purposes but also contribute to a cleaner, healthier planet. The book documents his visionary Bel-Air project, a “living air purifier” that uses plants to cleanse indoor air. Through insightful commentary and striking visuals, Lehanneur guides readers through his concept of a “second atmosphere”—a space where design, nature, and technology unite for environmental betterment.

For eco-innovators, lovers of experimental design, and those intrigued by the future of sustainable living.