AQUACOSM, the EU network of mesocosm facilities for research on marine and freshwater ecosystems open for global collaboration, invites applications to the Transnational Access (TA) program. Successful TA applicants will have access to AQUACOSM partner facilities including logistical, technological and scientific support, specific training as well as travel and accommodation free of charge. The call is open to scientists and related industries from all over the world. Application deadlines to request access vary, please check carefully. Link to https://ta.aquacosm.eu/