CLEAN : Ban Ki moon challenges Obama to round of golf at final UN lunch

The transcript covers a toast to global values like peace and human rights, discusses retirement plans and challenges, highlights support for UN causes and shared goals, acknowledges the resilience of a city and its law enforcement, and recognizes global humanitarian efforts and peacekeeping. It emphasizes gratitude for service and the importance of sustainable development and climate change agreements.

What is the significance of the speaker's mention of peacekeepers?

What legacy does the speaker refer to in relation to sustainable development goals?