  A brief general picture of the world, european and italian energy situations
is made, analyzing several different energy sources and paying attention to the
relations energy-quality of life, energy-environment and energy-health. Then
will be discussed fossil fuels, renewable energies, the role of electric
energy, nuclear energy, energy savings, the greenhouse effect, a possible
sustainable development, the hydrogen economy and the risk and its perception.
Then follow the conclusions and perspectives.
