Earth & Environmental Sciences
positioning
70%
automobile
68%
life cycle
62%
environmental impact
59%
sustainability
57%
infrastructure
56%
greenhouse gas
49%
smog
23%
transportation system
23%
city
21%
bus
21%
energy production
19%
impact assessment
19%
footprint
18%
energy
18%
travel
17%
energy consumption
16%
electricity
16%
vehicle
14%
public
12%
decision
12%
pollutant
11%
effect
4%
Social Sciences
life cycle
77%
motor vehicle
76%
environmental impact
71%
sustainability
56%
infrastructure
53%
energy
26%
energy production
24%
public transportation
24%
transportation system
24%
energy consumption
23%
pollutant
21%
electricity
18%
travel
16%
time
6%
Medicine & Life Sciences
Greenhouse Gases
100%
Automobiles
84%
Life Cycle Stages
82%
Los Angeles
45%
Smog
33%
Electricity
26%
Environmental Pollutants
21%
Motor Vehicles
21%
Light
13%
Technology
12%
Engineering & Materials Science
Environmental impact
73%
Automobiles
70%
Sustainable development
67%
Life cycle
65%
Greenhouse gases
57%
Rapid transit
25%
Supply chains
18%
Rails
16%
Electricity
14%
Energy utilization
13%