Photography
Howard Korn (p. 2)
AP Photo / Dave Martin (p. 6)
Charlie Hohorst (p. 9)
Jeff Gersh (p. 10)
brt Photo (p. 12)
Richard B. Levine (p. 14)
National Geographic Stock (p. 16)
Daniel Mears / The Detroit News (p. 18)
Solar Millenium (p. 20)
Kevin Fleming / Corbis (p. 22)
Charlie Hohorst (p. 26)