Blue and Green: A coalition of global businesses has called on world leaders to prevent a trillion tonnes of carbon from entering the atmosphere, by promoting clear low-carbon policies. The Trillion Tonne Communiqué, a coalition of 70 companies including Mars, Unilever, Adidas and EDF, and co-ordinated by the Prince of Waless Corporate Leaders Group, has called for the measures in order to avoid climate disasters. The Communiqué said that governments must set targets to achieve zero net emissions before 2100...