1. Jimmy Carter, White House Diary (New York: Farrar, Straus and Giroux, 2010), p. 332; New York Times, June 21, 1979; Time, July 7, 1979.

2. The White House, “Fact Sheet: President Obama Highlights Vision for Clean Energy Economy,” April 22, 2009; Evan Osnos, “Green Giant: Beijing’s Crash Program for Clean Energy,” New Yorker, December 21, 2009 (Hu Jintao); Guardian (London), May 14, 2010 (Cameron).

3. Harvey Strum, “Eisenhower’s Solar Energy Policy,” Public Historian 6, no. 2 (1984), pp. 37–55.

4. Interview with Denis Hayes; New York Times, April 23, 1970 (“speech somewhere”); Time, January 4, 1971 (“issue of the year”).

5. Interview with Scott Sklar.

6. New York Times Magazine, March16, 1975 (“eco-freaks”); interview with Denis Hayes; Amory B. Lovins, “Energy Strategy: The Road Not Taken?” Foreign Affairs, October 1976; Denis Hayes, Rays of Hope: The Transition to a Post-Petroleum World (New York: W. W. Norton, 1977).

7. Jimmy Carter, speeches, February 2, 1977, and April 18, 1977; Carter, White House Diary, p. 41; interview (sweater).

8. Interview with Denis Hayes; BusinessWeek, October 9, 1978 (“public imagination”).

9. BusinessWeek, September 8, 1980.

10. Jimmy Carter, speech, July 15, 1979 (“crisis of the American spirit”); The Wall Street Journal, December 11, 2008 (“gnawing on a rock”).

11. Robert W. Righter, Wind Energy in America: A History (Norman: University of Oklahoma Press, 1996), p. 222 (white elephants); interview with Denis Hayes; discussion.

12. Interview with A. L. Shrier.

13. Washington Post, May 14, 2008 (“joke”); Economist, September 25, 1993 (“graveyard”); The Wall Street Journal, December 11, 2008; interview with Scott Sklar.

14. Interview with Taichi Sakaiya (Kotaro Ikeguchi).

15. Business Japan, February 1978 (“bureaucrat-novelist”); interview with Taichi Sakaiya.

16. Rolf Wustenhagen and Michael Bilharz, “Green Market Development in Germany: Effective Public Policy and Emerging Customer Demand,” Energy Policy 34 (2006), pp. 1681–96 (“almost accidental”).

17. Interviews with Gerhard Schroeder, Hermann Scheer, and Hans-Josef Fell; Time, August 26, 2002 (“solar crusader”).

18. Interview with Gerhard Schroeder.

19. The New York Times, May 16, 2008 (“turbocharger”).

20. Interview with Hans-Josef Fell; Ministry for Environment, Conservation, and Nuclear Safety, “Development of Renewable Energy Sources in Germany in 2009 – Graphics and Tables,” Federal Republic of Germany, September 2010; “Renewables Support Policies in Europe: 2011 Country Comparisons,” IHS Emerging Energy Research, 2011.

21. The New York Times, April 22 and April 23, 1990 (Earth Day); interview with Scott Sklar.

22. Barry G. Rabe, Statehouse and Greenhouse: The Emerging Politics of American Climate Change Policy (Washington, D. C.: Brookings Institution Press, 2004), pp. 49–62; “North American Renewable Power Outlook, 2010–2015,” IHS CERA, November 2010; Sacramento Bee, April 13, 2011 (“can’t be afraid”); Los Angeles Times, April 13, 2011 (“didn’t get my name”).

23. Interview with Michael Eckhart.

24. “Green Tech” blog at CNET News, March5, 2008.

25. Interview with Takayuki Ueda.

26. Huang Liming, “Financing Rural Renewable Energy: A Comparison Between China and India,” Renewable and Sustainable Energy Reviews 13, no. 5 (2009), pp. 1096–1103; Yingqi Liu and Ari Kokko, “Wind Power in China: Policy and Development Challenges,” Energy Policy 38, no. 10 (2010), pp. 5520–29.

27. Interview.

28. “Renewable Energy Law” People’s Republic of China, February 28, 2005; “Medium-and Long-Term Development Plan for Renewable Energy,” People’s Republic of China, September 2007.

29. Wen Jiabao, speech, World Economic Forum, January 28, 2009; The New York Times, September 8, 2010.

30. International Energy Agency, World Energy Outlook 2010 (Paris: International Energy Agency, 2010).

31. 31. Barack Obama, State of the Union Address, January 27, 2010.

32. 32. REN21, Renewables 2012 Global Status Report.

33. 33. Christian Science Monitor, September 10, 2010; The New York Times, October 6, 2010.