Earth & Environmental Sciences
civilization
100%
sustainability
98%
transition
81%
open door policy
77%
economic reform
65%
economic structure
57%
socioeconomic conditions
55%
central government
54%
demography
49%
modernization
48%
systems analysis
45%
industrialization
45%
population growth
40%
socioeconomics
36%
economy
34%
environmental conditions
34%
organization
32%
degradation
28%
ecosystem
25%
resource
24%
need
23%
analysis
11%
Agriculture & Biology
socioeconomics
88%
China
84%
collectivization
78%
nomadic people
70%
economic structure
66%
environmental degradation
57%
systems analysis
56%
modernization
52%
industrialization
52%
demography
47%
population growth
41%
demographic statistics
39%
traps
37%
ecosystems
33%
economics
29%
environmental factors
28%