[CGIAR] Home to one quarter of humanity — one-fifth of whom are youth — the region has the world’s largest concentration of poverty and malnutrition. While South Asia produces one quarter of the world’s consumed food, its agrifood systems today face formidable poverty reduction, climate change adaptation and mitigation, environmental health, and biodiversity challenges. Significant hurdles remain to secure an adequate and affordable supply of diverse foods necessary for sustainable and healthy diets.