Earth & Environmental Sciences
alternative energy
72%
city
35%
consumption
10%
cost
8%
effluent
11%
energy
23%
energy resource
16%
fossil
11%
greenhouse gas
13%
import
15%
material
6%
metabolism
66%
policy
9%
resource
43%
twenty first century
14%
urban planning
15%
Social Sciences
acceptance
9%
costs
7%
energy
35%
exploitation
11%
import
12%
linear model
14%
literature
5%
maturity
13%
promotion
58%
renewable energy
83%
resources
34%
Switzerland
12%
urban planning
13%
urban population
14%
Engineering & Materials Science
Availability
18%
Costs
9%
Effluents
29%
Energy resources
26%
Greenhouse gases
26%
Metabolism
100%
Renewable energy resources
63%
Urban planning
33%
Chemistry
Amount
6%
Energy
37%
Environment
8%
Greenhouse Gas
20%
Metabolic
12%
Pharmacological Metabolism
61%
Pressure
9%