Because it is widely seen as a step in the transition from an period where the politicians of the world could just pay lip service to the environmental issues to a new era where they will have to commit to real actions to reduce global warming. They didn't get all the way to legally bindning rules at COP15 but now it seem to be just a question of time.
The purpose of the Copenhagen Climate Council is to create global awareness of the importance of the Un Climate Summit in Copenhagen, December 2009.
In December
Climate conference in Dec 2009; check out http://www.denmark.dk/en/menu/Climate-Energy/COP15-Copenhagen-2009/cop15.htm
196 countries participated in the Copenhagen United Nations Climate Change Conference in 2009.
Copenhagen in denmark
Climate control in order to curb GLobal warming
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)
COP15
Copenhagen
The 2009 UN climate change conference was hosted in Copenhagen, Denmark.
192 countries - the same amount that have ratified the UN Framework Convention on Climate Change.
12 days. From 7 December to 18 December 2009.