Subject
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fusion technology
2
future aspect
1
geothermal energy
3
global aspect
2
green energy
1
heat engine
1
heating
1
hydride
2
hydroelectric power
1
hydrogen energy
1
hydrogen storage
2
international cooperation
2
international organization
1
metal nonmetal battery
1
nuclear energy
1
nuclear power
1
ocean thermal energy conversion
1
oil sand
1
oil shale
1
orbital solar power plant
1
passive solar heating
1
policy
3
renewable energy
10
renewalble energy
1
resource
1
social aspect
2
society
1
sociological aspect
1
sodium sulfur battery
1
solar electric system
1
solar energy
1
solar pond
2
solar process heat
1
solar thermal power
1
solar thermal power plant
1
space heating
1
sustainability
2
sustainable development
2
sustainable use
1
thermal energy storage
1
thermal power plant
1
thermionics
1
thermonuclear reaction
1
vision
1
wind energy
3
world energy consumption
23