A re-edition of the Calatea armchair made in 2017 by Pianca, Calatea Green has been entirely redesigned by Cristina Celestino according to the circular economy criteria, with new materials and a renewed aesthetic. Born from a dialogue between botany and ergonomics, resolved through an enveloping and comfortable volume, the seat represents the synthesis of a formal research that investigates the out-of-scale proportions of primitive and simple elements such as leaves. Each element of Calatea Green has been redesigned to reduce its environmental footprint. Recycled and certified materials were used, such as polyester obtained from the recovery of mineral water bottles in PET plastic, wood from certified forests with controlled harvesting against deforestation and fabric coverings with a guaranteed recycled cotton yarn. For the backrest fabric Cristina Celestino has designed a new graphic, a tribute to her homeland, Friuli, and to the Alder tree, a native arboreal essence of the Julian Alps, whose leaves are characterized by the regular texture of the veins. A plot that was a source of research and inspiration for the designer who then focused on the work of the artist Carla Accardi and in particular on the signs, her rhythmic brushstrokes.