Citizens Climate Lobby | Creating the political will for a sustainable climate.
Here's what  top Republican economic advisers are saying in support of a carbon tax...
George P. Schultz
Secretary of State for 8 years under Ronald Reagan, and Sec. of Treasury and
Head of Office of Management & Budget under Pres. Nixon

[Energy sources]…..”vary greatly in the price imposed on society by the pollution they emit and its impact on human health and well-being, the air we breathe and the climate we create. We should identify these costs and see that they are attributed to the form of energy that causes them.”

In an April 7, 2013 Wall Street Journal article titled "Why We Support a Revenue-Neutral Carbon Tax"

Art Laffer
Member of Reagan's Economic Policy Advisory Board (1981–89). Best known for the Laffer curve and as the ‘Father of Supply Side Economics”. Policy Co-Chairman of the Free Enterprise Fund.

"We need to impose a tax on the thing we want less of (carbon dioxide) and reduce taxes on the things we want more of (income and jobs).”  "An Emissions Plan Conservatives Could Warm To"  - with ex Congressman Bob Inglis (R-SC) - in NY Times 12/28/2008.

See a 2 minute video statement by Laffer and Inglis here..

Kevin Hassett
Senior Economist at the conservative American Enterprise Institute. Previously a senior economist at the Board of Governors of the Federal Reserve System and an associate professor of economics and finance at Columbia University. Served as an economic adviser to the George W. Bush 2004 presidential campaign, chief economic adviser to Senator John McCain during the 2000 presidential primaries, senior economic adviser to the McCain 2008 presidential campaign, and economic adviser to the Mitt Romney 2012 presidential campaign. Also is a columnist for National Review.

“If our leaders are serious about weaning us off of oil, then the economic textbooks provide guidance on how to do it. “Government should tax things that produce pollution. If you are worried about global warming and energy security, then you should support a carbon tax.”  (In Bloomberg News, January 2007; see also AEI article "The Whys and Hows of Energy Taxes")

Greg Mankiw
Professor of Economics at Harvard
Adviser to President George W. Bush
Adviser to Mitt Romney in his presidential candidacy and when Romney was Governor of Massachussets.

“A carbon tax would provide incentives for people to use less fuel in a multitude of ways. By contrast, merely having more efficient cars encourages more driving. Increased driving not only produces more carbon, but also exacerbates other problems, like accidents and road congestion.”  (New York Times article "One Answer to Global Warming: A New Tax")

Douglas Holtz-Eakin
Director of the Congressional Budget Office 2003 to 2005, and chief economic policy adviser to U.S. Senator John McCain's 2008 presidential campaign. President since 2010 of American Action Forum,[8] a conservative think tank focuses on fiscal and public policy issues.

"'It's a terrible injustice to the business community' that the United States hasn't passed either a carbon tax or cap-and-trade program, since it creates energy uncertainty, Douglas Holtz-Eakin told the crowd at the Baxter Hotel. 'Utilities don't know what to invest in.'"  "Carbon Plan Would Help Business, Republican Aide Says", from Bozeman Daily Chronicle, 6/2/2011.

Irwin Stelzer
Irwin Stelzer is a senior fellow and director of Hudson Institute’s economic policy studies group. Prior to joining Hudson Institute in 1998, Stelzer was resident scholar and director of regulatory policy studies at the American Enterprise Institute.

“It would be a relatively simple matter to arrange a dollar-for-dollar, simultaneous reduction in payroll taxes as taxes on, say, gasoline, increased. Anyone interested in jobs, jobs, jobs should find this an attractive proposition, with growth-minded conservatives leading the applause.”  (Hudson Institute Briefing Paper "Carbon Taxes - An Opportunity for Conservatives", March 2011)

"Most impressive is the work of Citizens Climate Lobby, a relatively new, astgrowing, nonpartisan, nonprofit group with 60 chapters across the United States and Canada. If you want to join the fight to save the planet, to save creation for your grandchildren, there is no more effective step you could take than becoming an active member of this group."/em>

- Dr. James Hansen, head of Goddard Institute for Space Studies, NASA