Mariona Espinet is a Professor of science education at the Universitat Autònoma de Barcelona in Catalonia, Spain. After teaching middle and secondary general science, chemistry and physics she earned a master’s degree in Inorganic Chemistry at UAB (1980) and a PhD in Science Education at the University of Georgia, Athens (1990) thanks to a Fulbright-La Caixa scholarship. At present she is the coordinator of two research groups LICEC (Language and Context in Science Education) and Gresc@ (Education for sustainability, school and community). Her research and innovation interests focus on science teacher education for sustainability, classroom discourse and critical literacy in science education and education for sustainability, and school/community development in education for sustainability. She is a member of ENSI (Environmental and School Initiatives) and has been the national coordinator of several EU funded European network projects on EE and ESD such as SEED, CSCT, SUPPORT, and CoDeS.