Part 129 (1/2)

52 depriving these regions of water

Thomas Karl et al., Global Climate Change Impacts in the United States (Was.h.i.+ngton, DC: U.S. Climate Change Science Program, 2009), p. 41.

53 nighttime temperatures are at least as important

Christopher Mims, ”Why 107-Degree Overnight Temperatures Should Freak You Out,” Grist, July 21, 2011, grist.org/list/2011-07-21-nyc-mayor-bloomberg-gives-50-million-to-fight-coal-michael-bloom/.

54 increases nighttime temperatures more than daytime temperatures

Intergovernmental Panel on Climate Change, ”WG1: FAQ 3.3,” 2007,

55 corresponds with a linear decrease in wheat yields

PV Prasad et al., ”Impact of Nighttime Temperature on Physiology and Growth of Spring Wheat,” Crop Science 48 (2008): 237280.

56 fell due to climate-related factors by 5.5 percent

David Lobell et al., ”Climate Trends and Global Crop Production Since 1980,” Science, July 2011.

57 declined by 10 percent with each one degree Celsius