South African Environmental Observation Network of the National Research Foundation, or SAEON, offers public value through long-term multi-disciplinary observation programs and platforms that are designed to clarify Earth system dynamics and changes over multiple scales, and to distinguish between natural and anthropogenic environment change. SAEON develops open-access data systems and tools, with a concentration on valuing excellence, data sharing, capacity development, stakeholder consultation, collaboration and a natural environment conducive to sustained life on Earth.