1. Energies

2. 1.Fossil fuels petroleum natural gasoline coal turf Fossil fuels are ressources which are arisen by corrosion processes in ancient times of earth. They are only limitedly available, e.g.:

3. 2. Renewable energy Renewable energy is energy which can be replenished at the same rate it is used. It is energy from effective sources which are inexhaustible according to human criterions. The basic principle of their using is to offset energy from constantly happening processes in nature. This energy is applied to technical usage.

4. Reasons for using worldwide consumption of energy is very high and still rising (2004: about 119.000 TWh) fossil fuels are limited: e.g. petroleum – 64 years natural gasoline – 42 years fast search of alternatives, because of finiteness of fossil fuels

5. Kinds of renewable energy biofuel geothermal energy solar energy water power wind power

6. The end