Subject
energy environment balance
37
energy policy
20
energy production
18
environmental pollution
18
climatic change
17
energy conservation
15
environmental policy
15
energy consumption
14
environmental health
11
environmental impact
11
air pollution
10
energy system analysis
10
carbon dioxide production
9
emission
9
energy resource
9
environmental engineering
9
environmental impact assessment
9
environmental protection
9
greenhouse effect
9
greenhouse gas
9
carbon dioxide
8
climatic impact
8
electricity
8
electromagnetic radiation
8
electrosmog
8
energy management
8
energy technology
8
renewable energy
8
climate protection
7
energy balance
7
energy demand
7
energy discussion
7
air quality
6
biological radiation effect
6
climatic effect
6
energy cost
6
energy planning
6
energy prognosis
6
environmental balance
6
environmental impact statement
6
nuclear energy
6
wind energy
6
energy conversion
5
energy economy
5
energy research
5
energy storage
5
energy supply
5
fossil fuel
5
nuclear power
5
power plant
5
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