Based on analysis of recent data on the evolution of global temperatures, snow and ice covers, and sea level rise, the Intergovernmental Panel on Climate Change (IPCC) has recently declared that "warming of the climate system is unequivocal." Global surface temperatures, in particular, have...

This edition of environment matters arrives just as the international community embarks on a two-year process to secure a new global framework to limit the amounts of greenhouse gases (GHGs) entering the atmosphere and devise ways to help developing countries adapt to and prepare themselves for...