Anthropologist, social educator, agricultural technical engineer, lecturer and researcher in issues relating to social ecology and feminism. She has been a state coordinator of Ecologists in Action and has been an activist for decades in numerous social activities in defence of human rights, ecology, feminism and the social and solidarity economy.

She runs the Benéfico-Social Hogar del Empleado Foundation (FUHEM), coordinates the area of network and dissemination growth at the Complutense University of Madrid’s Centre for Environmental Studies and Information and is a lecturer in Environmental Education and Sustainable Development at the UNESCO Chair at the National Distance Education University (UNED). Her research focuses on a critique of the capitalist development and production model as a threat to the planet and life, work which she combines with activism. Herrero regularly contributes to several critical and independent media, such as eldiario.es. She is the co-author of the illustrated book Canvi climàtic (Litera, 2019), where she deploys an outreach narrative to explain the current ecological collapse in layman’s terms.