The EPA has sent the White House an "endangerment finding" that concludes carbon dioxide is a risk to public health. This sets the stage for possibly regulating CO2 under the Clean Air Act. The biggest impact is expected to be on coal-fired power plants, where CO2 is a waste product that goes up the smokestacks.
Arizona has 6 coal-fired power plants with 16 generating units,[right, Clean Air Task Force] listed below with capacity and year units were added. [credit: Sourcewatch]
* Apache - 408MW - 1979
* Cholla - 1129MW - 1962, 1978, 1980, 1981
* Coronado - 822MW - 1979, 1980
* H. Wilson Sundt - 173MW - 1967
* Navajo - 2409MW - 1974, 1975, 1976
* Springerville - 850MW - 1985, 1990
There is debate over whether CO2 emissions should be taxed or if a cap be placed on the total amounts produced, allowing producers to trade their unused balances.
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