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Alternative/Renewable Energy (Solar Heating (Active (Solar Panels),…
Alternative/Renewable Energy
Solar Heating
Active
Solar Panels
Passive
Greenhouse
Benefits= Inexhaustible, clean, low maintance, new jobs
Costs=Some pollution, not everywhere is sunny enough, expensive
Solar Electricity
Solar Panel to concentrate solar Power
Benefits=Inexhaustible, clean low maintance, new jobs
Costs= some pollution, not everywehre is sunny enough, expensive
Hydrogen
Can be found in water, breaking down methane
Cost= Hydrolysis is expensive, H2 gas must be compressed if used for fuel
Benefits= Inexhaustible, Few pollutants, can be stord or transported
Wind
Turbines
Costs= High startup costs, winds can be unpredicatable, harmful to birds and bats
Benefits=No pollution produced, under good conditions produces more energy than it uses, Relatively cheap
Biomass
Ethanol, Biofuel, Wood, Manuere, Grain
Benefits=Renewable, natural
Costs= cutting down trees, Inefficitent, air pollution
Geothermal
Power Plants/ Home Heating
Costs=Not sustaibable, ground water can be polluted, can trigger earthquakes
Benefits= Less air polution than fossil fuels, low greenhouse emissions
Hydro
Dams
Naturally flowing water ways
Benefits= Completely renewable, no air pollution or emmisions, yeilds cheap electricity
Costs= Dams alter ecosystems and affect organisms, trap silt, can displace people
Ocean
Tidal Waves
Thermal
Benefits= Generates little to no pollution
Cost= Can hurt ecosystems