As global environmental challenges intensify and geopolitical tensions strain international cooperation, the mandate of the United Nations Environment Assembly has never been more significant. Meeting from December 8 to 12 in Nairobi, UNEA-7 brings together delegates from around the world to advance sustainable solutions for a resilient planet. Ma Jun and Ali-Said Matano weigh in on why UNEA's role is essential in shaping the future of global environmental governance.