Foreword
In 1992, nearly all national governments around the world, including the United States, agreed to the United Nations Framework Convention on Climate Change (UNFCCC) as the principle instrument for addressing global climate change. The UNFCC’s objective is to stabilize greenhouse gas (GHG) concentrations in the Earth’s atmosphere “at a level that would prevent anthropogenic interference with the climate system.” The challenge negotiators have faced ever since is how to share that effort fairly among all nations, rich and poor, since each country has different circumstances and capabilities. Previous international agreements have required the United States and other developed economies to…
