Check out http://www.iied.org/climate-change
The International Institute for Environment and Development (IIED) will provide coverage will include daily video updates during the upcoming climate conference in Warsaw from Saleem Huq who has been doing this for several years. The videos are worth watching. But the website provides much more. Have a look.
If your organisation is planning to be at the Warsaw event, let us know and we will promote this next week.