The United Nations and Security Challenges

Discuss the topic of the United Nations and security challenges.

What are some security-related problems of the United Nations? What issues is the United Nations currently involved in? What are the main current issues the United Nations is addressing? Why has the United Nations often been ineffective in maintaining international peace and security? To answer this question, you should focus on a specific issue and its challenge, as well as try to present the topic in the context of the new emerging global order.