Earth & Environmental Sciences
environmental change
66%
urbanization
64%
soil
33%
desert
32%
environmental factor
32%
temperature
29%
nitrogen
23%
climate change
22%
urban site
22%
soil respiration
21%
mineral
21%
microcosm
20%
environmental issue
19%
metropolitan area
19%
respiration
17%
atmospheric pollution
15%
human activity
15%
effect
4%
Medicine & Life Sciences
Urbanization
100%
Soil
84%
Temperature
56%
Climate Change
54%
Nitrogen
38%
Minerals
38%
Respiration
32%
Air Pollution
22%
Fertilization
21%
Human Activities
19%
Agriculture & Biology
urbanization
89%
Sonoran Desert
54%
soil
39%
climate change
32%
temperature
31%
metropolitan areas
25%
environmental factors
24%
soil minerals
24%
soil respiration
23%
air pollution
23%
nitrogen
22%
anthropogenic activities
20%
breathing
16%
minerals
14%