SundayMaria Serra: "The first time I heard Greta Thunberg I thought: 'I'm not crazy, I'm not the only one'"Sònia Sánchez09-01-2026
![Maria Serra, photographed in front of a mural in Barcelona](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)