The Time has Come
Early in May, 2007, the UN-sponsored Intergovernmental Panel on Climate Change released its final report to an expectant world. This, the Summa Climatologica of the scientific community, was devoted to the question of ‘‘mitigation,’’ that is, what can be done to reduce the greenhouse effect, and what would it cost us. Judging from the collective sighs of relief with which the report was received, the IPCC had given society a green light to continue on its present path.