2. THE AGENDA 21 IS AN ELABORATE COMPREHENSIVE PLAN OF ACTION. IT IS A SORT OF MANUAL WHICH CONTAINS INSTRUCTIONS AIMING AT A SUSTAINABLE DEVELOPMENT ON THE PLANET EARTH FROM THE END OF 20th TO THE 21st CENTURY

4. ARE 4 RENEWABLE RESOURCES FROM WHICH WE CAN EXTRACT VARIOUS TYPES OF RENEWABLE ENERGY

5. AEOLIAN (wind power) GEOTHERMIC SOLAR HYDROELETTRIC (water power)

6. The aeolian energy is generated by the conversion of WIND KINETIC ENERGY into ELECTRIC energy.

7. AEROGENERATORS, technical term for windmills. They can be of different types, depending on the aeolian generator (that can have vertical or horizontal axis), on the number of blades (varying from 1 to 3) and on their length (varying from 50 centimetres to 30 metres).

8. Geothermic energy is generated through geological sources of HEAT. steam water condenser magma heat exchanger impermeable rocks geothermic tank

9. production of electricity through geothermic plants heating for houses,greenhouses, swimming pools by the steam produced

10. The solar energy is the thermic or electric energy which is generated by the exploitation of the heat energy radiating from the Sun.

11. solar panels high temperature plants photovoltaic installations

12. The hydroelectric energy is a kind of energy that exploits the movement of bodies of water to produce kinetic energy and, through a turbine and an alternator, electric energy.

13. mini-hydro plants micro-hydro plants hydroelectric plants

14. ABRUZZO IS THE GREEN REGION OF EUROPE

15. LUCKILY ABRUZZO ALREADY USES RENEUVABLE ENERGY SOURCES

16. WE HAVE VISITED 3 PLANTS WITH OUR SCHOOL

17. hydroelectric plants

18. aeolian generator

19. photovoltaic installations

21. SCHOOL: M.S.U.D’Annunzio-Romani Roseto degli Abruzzi (TE) Italy