ENERGY

1. FORMS

1.1. electricity

1.1.1. households

1.1.1.1. livelihoods

1.1.1.1.1. poverty

1.1.2. buildings

1.1.2.1. development

1.1.2.1.1. innovation

1.2. light

1.3. heat

1.4. sound

1.5. chemical

1.6. kinetic

2. SOURCES

2.1. nonrenewable

2.1.1. electricity

2.2. Renewable

3. damaging

3.1. energy extraction

3.2. energy transportation

3.3. improper energy use

4. convenience

4.1. energy dependence