Alternative energy sources - Overview

Alternative energy sources are sometimes also called renewable energy sources, which is not entirely true because there are some energy sources that are alternative but not renewable energy sources, like for instance nuclear energy. Alternative energy source is basically every energy source that is not based on fossil fuel consumption. Though world still heavily relies on fossil fuels to satisfy total energy demand renewable energy sector is becoming more and more powerful, and many energy experts predict that future belong to renewables. This article will provide overview of currently available alternative energy sources. In future, number of available energy sources could be far greater but current number isn't bad either.

Alternative energy overview:
     1. Introduction
     2. Solar power
     3. Wind power
     4. Biomass/Biofuel
     5. Nuclear energy
     6. Ocean and Earth Power
     7. Conclusion