Pollution and enviornmental !

In the rich, developed countries there are many more environmental problems of small towns. They seem to come in every day life, and each of us must be responsible in the use of natural resources. In recent years, listening to the news,read magazines or talk with friends, they discuss very serious problems: pollutionand environmental degradation. Pollution means the introduction into the environment of substances that may cause risks to human health or threaten the existence of animals and plants. To save all the ecosystems that we use energy saving. To save we can use:

- Hydropower, uses water to produce energy.
-Geothermal energy and thermoelectric power, use heat to produce energy. - Solar energy, use energy from the sun and its heat, to produce energy through solar panels.
- Wind power, uses the wind to produce energy through Wind-Farm.
- The energy of waves, uses sea current to produce energy. - The energy of the biomass, uses scraps and residues from agriculture, animal husbandry and forestry to produce energy.

Gaia and Silvia (: