Our Choice

Chapter Eighteen — Our Choice (Endnotes)

p. 398 Back in 1987, when the... changes were made.
Multilateral Fund for the Implementation of the Montreal Protocol, “History,” 2003. Available at http://www.multilateralfund.org/history.htm
p. 399 And finally... fully recovered.
“Ozone Layer Depletion Leveling Off, Satellite Data Show,” ScienceDaily, September 22, 2009. Available at http://www.sciencedaily.com/releases/2009/09/090921134831.htm
p. 402 It recalled for me what happened... average age was 18.
Gene Kranz, “Space Lifeguard: An Interview with Gene Kranz,” SPACE.com, April 11, 2000. Available at http://www.space.com/peopleinterviews/apollo13_kranz_iview_000411.html