<h1>Japan, China, South Korea Discuss Cooperation on Denuclearization, Aging Populations, and Climate amid Regional Tensions.</h1> Foreign ministers from Japan, China, and South Korea met to discuss trilateral cooperation, focusing on denuclearization of the Korean peninsula, aging populations, low birth rates, natural disasters, and cultural exchange. The Japanese minister highlighted concerns over North Korea's nuclear activities and Russia's actions in Ukraine, subtly addressing China's regional assertiveness. China proposed a mutual regional economy and cooperation in technology and climate exchange. The meeting aimed to prepare for a future leaders' summit amid global challenges, emphasizing the importance of collaboration despite historical disputes and regional tensions. Separate bilateral talks between Japan, China, and South Korea were also planned.