Heatwave and sport: World No. 1 Jannik Sinner’s French Open run imploded in brutal Paris conditions, collapsing after leading 5-1 in the third set and losing to Argentine Juan Manuel Cerúndolo in a five-set shock. Sinner said it wasn’t “against the heat,” but described dizziness, low energy and dehydration as the turning point. Argentina in the spotlight: The upset puts an Argentine player at the center of global headlines, while the tournament’s sweltering weather is again raising questions about how athletes cope with extreme heat. Regional climate risk: A new call for urgent planning around El Niño warns Latin America’s rural economies could face a mix of flooding and drought, with Argentina and Brazil potentially seeing some rainfall benefits while other areas face yield and market shocks. Water and farming innovation: Research from arid Patagonia tests reclaimed domestic wastewater for outdoor cannabis, reporting adequate soil and water quality and safety results under WHO reuse guidelines. Biodiversity in cities: Argentina’s “cow’s hoof” tree (Bauhinia forficata) is highlighted as a hardy urban option that supports birds and pollinators with long-lasting flowers. Wildlife and health: Updates on the hantavirus cruise-ship cluster note long incubation periods and ongoing quarantine measures, with the Andes virus linked to Argentina and Chile.