Renewable energy

1. The importance of R.E

1.1. Less global wariming

1.2. Improved public health

1.3. Inexhaustible energy

1.4. Reducing energy dependence

1.5. Stable energy prices

1.6. Jobs & other economic benefits

2. Types of R.E

2.1. Wing energy

2.1.1. How it works?

2.2. Solar energy

2.2.1. How it works

2.3. Hydroelectric

2.4. Biomass & Biogas

2.5. Geothermal energy

2.6. Tidal energy

2.7. Wave energy

2.8. Bioethanol

2.9. Biodiiesel