Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. The change in China’s urban and rural population (in millions) in 1980 to 2012.
  • Fig. S2. The change in China’s annual population growth rate (percentage) in 1970 to 2030.
  • Fig. S3. The increase in China’s real GDP since 1950 and the predicted continued increase to 2020.
  • Fig. S4. Per capita food consumption (kilogram per person) in China since 1980.
  • Fig. S5. Water availability index for China.
  • Fig. S6. Surface water pollution and grain yield in 2010.
  • Fig. S7. The increase in anthropogenic reactive nitrogen emissions in China since 1980.
  • Fig. S8. Governmental departments influencing food security.
  • Table S1. Aggregate wheat production loss (WPL) in the years 2000 and 2020 estimated by O3 dose metrics AOT40 (ppb.h), accumulated hourly ozone concentration over 40 ppb for the top five wheat-producing provinces in China as well as for all of China.

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