Renewable Energy Resources

Chapter 5- Section 2

Solar Power

Advantages: clean and inexhaustible, doesn't run our


Disadvantages: can pollute environment if not done properly, less efficient on cloudy days

Wind Power

Advantages: nonpolluting, free


Disadvantages: wind isn't steady, a few regions have have wind strong enough for electricity

Hydroelectric Power

Advantages: available, running water is clean


Disadvantages: lakes fill with sediments , downstream erosion increases and habitats are destroyed

Geothermal

Advantages: found just about everywhere, uses steam and is clean


Disadvantage: hard to control the steam, hard to get to especially at a high elevation

Biomass

Advantages: cheap source of energy, helps reduce materials going into landfills


Disadvantages: materials pollute air, trees are cut down so habitats are destroyed