John Schwartz (February 7, 2017). „'A Conservative Climate Solution': Republican Group Calls for Carbon Tax“. The New York Times. ციტირების თარიღი: April 17, 2017. ციტატა: „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.“