More and more alternative energy sources are available. They are usually healthier for the enviroment and can produce the energy we consume as a society.

	Name	Pros	Cons
	Biomass Plant	Recycles organic waste, renewable, can replace fossil fuels	Air pollution, ethanol might not be efficient, competes with food production
	Solar Power	No fuel costs, unlimited, renewable, efficient at heating	Not predictable, not cost competitive, only 10% efficient at collecting energy
	Wind Power	No pollution, renewable, agriculture can still take place in area	Unpredictable, may affect bird migration
	Geothermal Plant	No air/water pollution, free energy, small plants	Limited areas to build plants, may cause dangerous gases to escape
	Vegetable Oil	Virtually limitless source of energy, depends only amount of vegetables grown	Harvesting may cause deforestation
	Hydroelectric Dam	Can meet full capicity needs, no pollution, renewable	May affect enviroment, needs water, failure to contain water can lead to disaster