 The paper examines the importance of Earth observation, EO, in achieving the sustainable development goals, SDGs. It highlights the role of the Group on Earth Observations, GEO, in ensuring the effective use of EO in support of the 2030 Agenda. The paper also explores how the Global Earth Observations System of Systems, GOS, can help meet the needs of the 2030 Agenda through improved data collection and analysis. This article was authored by Catherine Anderson, Barbara Ryan, William Sontag, and others.