The SySTEM 2020 Project, coordinated by Science Gallery Dublin, aims to tackle scientific literacy and STEM education of children and teenagers, in order to support our future citizens in this world of fast-evolving science and technology. SySTEM 2020 will focus on science learning outside the classroom, mapping the field across Europe, evaluating a number of transdisciplinary programmes to design best principles for educators in this field, and also examining individual learning ecologies by piloting self-evaluation tools for learners which will document science learning outside of the classroom.