“The Times ran a small story . . .” Williams and Montaigne, p. 198.
“Spring never came and summer never warmed.” Officer and Page, pp. 3-6.
“One French naturalist named de Luc . . .” Hallam, p. 89.
“and the other abundant clues . . .” Hallam, p. 90.
“The naturalist Jean de Charpentier told the story . . .” Hallam, p. 90.
“He lent Agassiz his notes . . .” Hallam, pp. 92-93.
“there are three stages in scientific discovery . . .” Ferris, The Whole Shebang, p. 173.
“In his quest to understand the dynamics of glaciation . . .” McPhee, In Suspect Terrain, p. 182.
“William Hopkins, a Cambridge professor . . .” Hallam, p. 98.
“He began to find evidence for glaciers . . .” Hallam, p. 99.
“ice had once covered the whole Earth . . .” Gould, Time’s Arrow, p. 115.
“When he died in 1873 Harvard felt it necessary . . .” McPhee, In Suspect Terrain, p. 197.
“Less than a decade after his death . . .” McPhee, In Suspect Terrain, p. 197.
“For the next twenty years . . .” Gribbin and Gribbin, Ice Age, p. 51.
“The cause of ice ages . . .” Chorlton, Ice Ages, p. 101.
“It is not necessarily the amount of snow . . .” Schultz, p. 72.
“The process is self-enlarging . . .” McPhee, In Suspect Terrain, p. 205.
“you would have been hard pressed to find a geologist . . .” Gribbin and Gribbin, Ice Age, p. 60.
“we are still very much in an ice age . . .” Schultz, Ice Age Lost, p. 5.
“a situation that may be unique in Earth’s history.” Gribbin and Gribbin, Fire on Earth, p. 147.
“at least seventeen severe glacial episodes . . .” Flannery, The Eternal Frontier, p. 148.
“about fifty more glacial episodes . . .” McPhee, In Suspect Terrain, p. 4.
“Earth had no regular ice ages . . .” Stevens, p. 10.
“the Cryogenian, or super ice age.” McGuire, p. 69.
“The entire surface of the planet . . .” Valley News (from Washington Post), “The Snowball Theory,” June 19, 2000, p. C1.
“the wildest weather it has ever experienced . . .” BBC Horizon transcript, “Snowball Earth,” February 22, 2001, p. 7.
“known to science as the Younger Dryas,” Stevens, p. 34.
“a vast unsupervised experiment . . .” New Yorker, “Ice Memory,” January 7, 2002, p. 36.
“a slight warming would enhance evaporation rates . . .” Schultz, p. 72.
“No less intriguing are the known ranges . . .” Drury, p. 268.
“a retreat to warmer climes wasn’t possible.” Thomas H. Rich, Patricia Vickers- Rich, and Roland Gangloff, “Polar Dinosaurs,” unpublished manuscript.
“there is a lot more water for them to draw on . . .” Schultz, p. 159.
