The New Scientist Environment webpage and blog are worth checking out. The stories are so timely, international and well-written. There is a good blog too. (Why am I doing this?!)

Special Report on Climate Change
Sections include: Stories ; Expert Guide ; Photo Gallery ; Interactive Graphics ; Pick of the Archive ; Briefing Notes ; Bookworm ; Web Links.
http://environment.newscientist.com/channel/earth/climate-change