SOLAR ENERGY

1. Solar panels

1.1. Made of silicon

1.2. Converting sunlight

1.3. Shell International Petroleum

1.3.1. Large role

1.4. Cost fallen

1.5. Break two-dollar

2. Space

2.1. Easy

2.2. No atmosphere

2.3. Communication satellite

2.3.1. Space station

2.3.2. Robots exploring

3. Planes

3.1. Using solar panels

4. Nuclear power

4.1. Chernobyl disaster

5. Other form of energy

5.1. Burning oil/ coal

5.1.1. Air pollution

5.1.2. Global warming

6. Developing countries

6.1. Maxico/India

6.1.1. Remote villages

6.2. US

6.2.1. Exported