Sydney Morning Herald: The IPCC report finds Artic-sea ice is at very high risk under two degrees of warming beyond that observed in 1986 and 2005. Photo: AP Climate change is already being felt in all corners of the globe and some parts of the natural world may already be undergoing irreversible change, a major assessment by the UN Intergovernmental Panel on Climate Change has found. The report on the impact of climate change -- the first of its kind in seven years -- stresses that the likelihood climate change will...