Marcika writes "The Intergovernmental Panel on Climate Change, the authoritative scientist group on global warming, published a new report on Friday (Financial Times article). Conclusions: The likely rise in sea levels can be quantified more accurately between about 28cm and 43cm (2001 predictions gave a range from 9cm to 88cm). The arctic ice cap is likely to melt, but the Antarctic ice shield is safe due to increased precipitation. The panel thinks that it is 90% certain that human action is shaping the climate, up from 50% 6 years ago. Even before publication, scientists warn that the report is too optimistic (NY Times article)."