Subject
environmental impact
environmental policy
13
environmental balance
11
environmental impact assessment
8
environmental impact statement
8
environmental protection
8
energy environment balance
5
environmental quality
5
environmental research
4
ecology
3
environmental compatibility
3
environmental education
3
environmental health
3
environmental law
3
environmental pollution
3
environmental program
3
climatic impact
2
econometric model
2
economic aspect
2
environmental engineering
2
greenhouse effect
2
recycling
2
road traffic
2
aluminum industry
1
bioeconomy
1
chemical industry
1
economic analysis
1
economic policy
1
economic trend
1
economics
1
economy
1
ecosystem
1
electromagnetic field
1
electromagnetic radiation
1
energy alcohol
1
energy analysis
1
energy balance
1
energy conservation
1
energy consumption
1
energy conversion
1
energy cost
1
energy demand
1
energy density
1
energy discussion
1
energy input output
1
energy planning
1
energy policy
1
energy prognosis
1
energy statistics
1
energy system analysis
1
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