Headquarters of the United Nations temporary site. Another alternative for a temporary headquarters or a new permanent facility was the World Trade Center site. Once again, these plans met resistance both within the UN and from the United States and New York governments and were abandoned. By September 2015, the renovations were nearly complete but the cost had risen to $2.15 billion. Demolition of the North Lawn Building began in January 2016. The building was replaced with an open plaza, and most of its materials were to be recycled. Due to the significance of the organization, proposals to relocate its headquarters have occasionally been made.
Headquarters of the United Nations are a few organizations which regularly hold events at the UN. The United Nations Association of the United States of America (UNA-USA), a non-governmental organization, holds an annual "member's day" event in one of the conference rooms. Model United Nations conferences sponsored by UNA-USA, the National Collegiate Conference Association (NCCA/NMUN), and the International Model UN Association (IMUNA/NHSMUN) hold part of their sessions in the General Assembly chamber. Seton Hall University's Whitehead School of Diplomacy hosts its UN summer study program at the headquarters as well. Due to its role in international politics, the United Nations Headquarters is often featured in