We hear a lot about the COP meetings in the media.  Most of what we hear is generally around the time when these meetings of high-ranking officials from most of the countries of the world are held, usually late November or early December. 

The climate change research community in Bangladesh, which consists of several dozen organisations, including public and private universities...

The 2015 United Nations Climate Change Conference, COP 21, held in Paris from 30 November to 12 December 2015, was the biggest event of its kind.