Climate Desk: The chances of the world holding temperature rises to 2C the level of global warming considered "safe" by scientists appear to be fading fast with US scientists reporting the second-greatest annual rise in CO2 emissions in 2012.
Carbon dioxide levels measured at at Mauna Loa observatory in Hawaii jumped by 2.67 parts per million (ppm) in 2012 to 395ppm, said Pieter Tans, who leads the greenhouse gas measurement team for the US National Oceanic and Atmospheric Administration (NOAA). The record...