この本の別のエディションでよく使われている100語。
2002
africa
among
aquifers
area
between
billion
cell
children
china
cities
climate
costs
countries
crop
cropland
decades
demand
disease
during
earth
economic
economy
effect
electricity
energy
even
example
family
farmers
first
food
fuel
global
government
grain
growth
half
harvest
health
hectares
hydrogen
ice
including
india
industrial
industry
irrigation
land
last
less
level
loss
market
may
million
nearly
need
new
now
number
people
per
percent
plan
plants
population
power
prices
production
productivity
rate
reduce
rice
rise
rising
river
sea
since
soil
source
states
storms
supply
systems
tables
tax
temperature
time
tons
two
united
use
used
water
wheat
wind
world
year
yields