RIYADH: Saudi Arabia has introduced the Riyadh Action Agenda, an initiative to unite stakeholders in tackling land degradation, desertification, and drought.  The announcement was made by Osama Faqeeha, deputy minister for environment at the Ministry of Environment, Water and Agriculture, and advisor to the UNCCD COP16 presidency, during a keynote address at a high-level dialogue on sustainable agri-food systems.