It was about Global warming.
196 countries participated in the Copenhagen United Nations Climate Change Conference in 2009.
193 countries and numerous NGOs.
amrica
Copenhagen in denmark
COP15
Battle of Copenhagen happened on 1801-04-02.
Copenhagen December Riot happened in 2006.
The 2009 United Nations Climate Change Conference, commonly known as the Copenhagen Summit, was held at the Bella Center in Copenhagen, located on the island of Amager, Denmark. (Wikipedia)
The Bella Center is a Scandinavian conference center that is located in Copenhagen, Denmark. It's located in close proximity to the Copenhagen Airport.
The 2009 UN climate change conference was hosted in Copenhagen, Denmark.
INternationally binding actions to curb the hot house effect.