(en) John Schwartz, « ‘A Conservative Climate Solution’: Republican Group Calls for Carbon Tax », sur The New York Times, (consulté le ) : « The group, led by former Secretary of State James A. Baker III, with former Secretary of State George P. Shultz and Henry M. Paulson Jr., a former secretary of the Treasury, says that taxing carbon pollution produced by burning fossil fuels is “a conservative climate solution” based on free-market principles. »