IPCC can, however, distinguish between prescriptive and descriptive questions that arise in
relevant socio - economic literature about climate policy - making, identify important ethical and justice
issues that arise in this literature, where there is a consensus on ethics and justice
issues in the
relevant literature describe the consensus position, where there is no consensus on ethical and justice
issues describe the range of reasonable views on these
issues, and identify hard and soft law
legal principles
relevant to how governments should resolve ethical and justice
issues that must be
faced by policy - makers.