EnvironmentA work of art is being sold as CO₂ to denounce climate greenwashing.Sònia Sánchez04-10-2025
![A room at the MNAC in an archive image.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)
