Subject
coal
green energy
2
Germany
1
abondoning nuclear energy
1
behavior
1
biomass energy production
1
carbon dioxide
1
coupling
1
electricity
1
energy discussion
1
energy environment balance
1
energy policy
1
energy source
1
energy storage
1
energy substitution
1
energy system
1
energy transition
1
geothermal energy
1
greenhouse gas
1
historical aspect
1
market
1
nuclear energy
1
renewable energy
1
solar energy
1
sustainable use
1
wind energy
1