Between November 29 - December 1, 2021, the first international workshop "ONE HEALTH IN IBERO-AMERICA AND THE CARIBBEAN FACING CLIMATE CHANGE AND LOSS OF BIODIVERSITY”, part of project # 412RT0117 of the CYTED-USCC network, will be held. During the three days of the event, issues such as climate change and vulnerable ecosystems, infectious diseases, agri-food systems, gender, public policies, ecopharmacovigilance and antimicrobial resistance (AMR) will be addressed from the One Health perspective.