Agreement, edited by Carlo Carraro and Christian Egenhofer. Cheltenham, UK: Edward Elgar, 2007. 144pp, GBP 39.95, hardback. There are signs that international law and policy on climate change is becoming increasingly more fragmented. This is partly due to the crosscutting nature of the problem, touching upon a wide range of issues, including energy, trade, investment, biodiversity, and air pollution. As a consequence, a number of international legal instruments are relevant to the problem, with regard to both reducing greenhouse gas