By ANIS H. BAJREKTAREVIC     A major new report from the Intergovernmental Panel on Climate Change (IPCC) was just released in Korea on Oct. 8, and although it is nearly 800 pages long and includes more than 6,000 scientific references, it can be summarized in few sentences: The average global temperature is now 1 degree Centigrade above its pre-industrial levels. That increase is already