Business Standard: The Intergovernmental Panel on Climate Change is in the process of putting out its fifth series of assessment reports. There are three components in this series. The report on the first component - science - was released at the end of September. The other two - impacts and mitigation - will be published in March and April 2014. While we wait for the perspectives that those reports will provide on strategic responses, the assessments made in this one must provoke some thought on the trajectory of...