The sun is one example of a renewable source of energy. Every day, Earth's supply of sunshine is replenished. Since our supplies of nonrenewable energy sources like fossil fuels will some day run out, renewable sources will become more and more important in the future.

In the Internet Activities you'll find out what some of these renewable energy sources are. You'll also take a look at some of the advantages and disadvantages of each source. Click on Internet Activities at the left to begin.