Earth & Environmental Sciences
air
23%
analysis
7%
armed forces
63%
basin
21%
cost
22%
curriculum
25%
decision
16%
decision making
42%
decision support system
6%
defense
40%
demand elasticity
10%
economic instrument
62%
education
12%
efficiency level
32%
electricity
37%
energy efficiency
50%
energy planning
59%
energy policy
49%
environmental assessment
7%
environmental auditing
71%
environmental impact assessment
54%
environmental management
84%
environmental performance
47%
heuristics
21%
higher education
56%
impact assessment
14%
incentive
5%
indicator
25%
legislation
6%
method
9%
methodology
12%
need
7%
organization
10%
policy
8%
price
19%
program
7%
public sector
50%
river basin
33%
self assessment
63%
services
27%
strategic environmental assessment
59%
sustainability
5%
sustainable development
40%
teaching
7%
textile industry
24%
trend
21%
wastewater treatment
35%
Engineering & Materials Science
Air
23%
Air pollution
24%
Communication
7%
Compliance
12%
Cost functions
13%
Costs
25%
Curricula
16%
Decision making
54%
Decision support systems
6%
Drying
40%
Ecodesign
52%
Education
36%
Effluents
16%
Elasticity
5%
Electricity
54%
Energy efficiency
21%
Energy utilization
22%
Environmental impact
13%
Environmental impact assessments
7%
Environmental management
60%
Environmental protection
16%
European Union
11%
Greenhouse gases
21%
Health
7%
Heuristic methods
24%
History
6%
Industry
18%
Information services
27%
Land use
25%
Life cycle
18%
Managers
9%
Natural resources management
24%
Personnel
16%
Pollution control
19%
Power markets
11%
Productivity
17%
Rivers
42%
Set theory
13%
Social aspects
8%
Sustainable development
28%
Taxation
49%
Wastewater
15%
Wastewater treatment
100%
Water
19%
Water pollution
31%
Business & Economics
Air Force
13%
Armed Forces
11%
Brazil
5%
Communication
8%
Concavity
18%
Content Analysis
6%
Cost Function
13%
Costs
5%
Curriculum
21%
Decision Making
6%
Decision Support Tools
8%
Decision-making Process
5%
Defence Sector
58%
Dimensionality
16%
Education
12%
Effluent
19%
Enhancement
7%
Environmental Assessment
58%
Environmental Impact
13%
Environmental Impact Assessment
10%
Environmental Management Practices
58%
Environmental Performance
10%
Environmental Practices
39%
Environmental Protection
13%
Higher Education Institutions
15%
Impact Assessment
17%
Information Services
14%
Integrated Management
18%
Legislation
6%
Management Information
16%
Military
26%
National Survey
12%
Natural Resource Management
18%
Objective Function
13%
Planning
5%
Pollution Control
16%
Portugal
47%
Public Sector
13%
Self-assessment
12%
Surveillance
47%
Sustainability
7%
Sustainable Development
5%
Traffic Management
20%
Training Needs
8%
Waste Water
17%
Wastewater Treatment
59%
Water
10%
