UNCLOS tribunal ruling against US on climate change could have broad impact on economy
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If the United States received an adverse judgment in an UNCLOS climate change lawsuit, the tribunal could order remedies similar to those imposed by the Trail Smelter tribunal—a regime of regulations, compli- ance measures, and even reparations. In anthropogenic climate change parlance, such a regime would be akin to mitigation measures (i.e., actions to reduce the level of U.S. GHG emissions).
A comprehensive GHG mitigation regime imposed on the U.S. would seriously affect the American econ- omy because carbon emissions and other GHG are produced throughout the United States by several signifi- cant sectors of the economy, includ- ing the electricity generation, transportation, industrial, residential, and commercial sectors. Like the “cap-and-trade” regulations that have been debated in Congress, the imposition of international Trail Smelter– style regulations on every U.S. power plant, refinery, automobile, chemical plant, and landfill would harm the U.S. economy.118