2. Windmills provide ecofriendly and clean energy.

3. Fossil fuel extraction is expensive and more complicated.

4. Fossil fuel burning causes pollution and global worming.

5. Windmills uses a regenerating source of energy.

6. The fossil fuel isn’t a renewable fuel.

7. REFERENCES
By the Global Warming Girls , name of the article : Causes
http://library.thinkquest.org/J003411/causes.htm
By Greg Hennessey, Lavigne, and the Enlightenment , name of the article : Replacing
fossil fuels: the scale of the problem
http://www.abelard.org/briefings/replacing_fossil_fuels.php#note_d
By the alternative energy group , name of the article :Alternative Energy
http://www.altenergy.org/
By ABJT , written in July of 2009 , name of the article : what is the cleanest source
of energy ?
http://answers.yahoo.com/question/index?qid=20090514221754AAS4TTN