... it powers our homes, businesses, and industries. However, the process of generating electricity is our nation's single largest industrial source of air pollution (http://www.sierraclub.org/energy,2002). Besides the environmental effects of renewable resources reduce dependence on foreign fuels and precious domestic resources. The United ... before recorded history. It has been claimed that the Chinese invented the windmill two centuries before the Common Era (B.C.E) in order to pump water from wells. The first recorded case of windmills was in the Middle East during the tenth century. Wi...

• Word Count: 3789
• Approx Pages: 15
• Has Bibliography
• Grade Level: Undergraduate

... problems are dirty air, contaminated waters, over fished species, destroyed critical habitat, and species endangered by development. La Habana harbor is one of the world's most polluted bodies of water, and is in great need of restoration. Much of the aquatic life that is native to Cuba has been pursued due to tourism. With the country's educated population, the cause ... of this method has been soil erosion and compaction, contamination of waterways, deforestation, and a loss of bio-diversity. In addition, burning oil for energy and sugar production have produced air pollution and indust...

• Word Count: 2687
• Approx Pages: 11
• Grade Level: Undergraduate