WIND ENERGY

DISADVANTAGES OF WIND ENERGY

• Needs wind
• Can disturb habitats
• Very noisy to use
• Produces some pollution
• Lowers value of property

MORE DISADVANTAGES...

• Kills bats and birds
• Has to have constant speed
• Could be unsafe
• Sometimes doesn't produce electricity
• Can be unpleasant to look at

MORE DISADVANTAGES...

• Can be very expensive
• Needs lots of wind to generate energy
• Some areas don't have a lot of wind
• All require some fossil fuels
• Requires clearing space or land

ENERGY SOURCES

SOLAR ENERGY

ADVANTAGES OF SOLAR ENERGY

• It is renewable
• It has little pollution
• It is fairly clean
• The supply is unlimited in some places
• It is quiet to use

DISADVANTAGES OF SOLAR ENERGY

• Sun isn't available in some places
• Difficult to manage
• It is very expensive
• Large areas are needed
• Big hard to manage batteries needed

WIND ENERGY

ADVANTAGES OF WIND ENERGY

• Becoming more efficient
• Doesn't make greenhouse gases
• Doesn't take up a lot of space
• Popular/ interesting to see
• Different sizes of turbines

FOSSIL FUELS

ADVANTAGES OF FOSSIL FUELS

• Pretty inexpensive
• Will last 150 years
• Working on making it cleaner
• Lots of electricity in one place
• 50 percent of our elec. comes from it

DISADVANTAGES OF FOSSIL FUELS

• Non renewable
• Smells bad when using
• Mining can cause destruction
• Has transportation problems
• Causes pollution

BIOMASS

ADVANTAGES OF BIOMASS

• Can be used for vehicles
• Can be used for electricity
• Working on making more efficient
• Renewable
• Available in different forms

DISADVANTAGES OF BIOMASS

• More expensive than fossil fuels
• Causes some pollution
• Possible environment harm
• Sometimes inefficient
• Requires land

GEOTHERMAL ENERGY

ADVANTAGES OF GEOTHERMAL ENERGY

• It is renewable
• It is inexpensive
• It is safe and clean
• It is sometimes an attraction
• Causes no pollution

DISADVANTAGES OF GEOTHERMAL ENERGY

• Only built where there is hot water
• Can sometimes be too deep
• Can not be moved
• Can suddenly stop working
• Hazardous chemicals

NUCLEAR ENERGY

ADVANTAGES OF NUCLEAR ENERGY

• It is a quick reactor
• It has an efficient design
• Disaster proof systems are being put
• Can be good for the economy
• Can reduce greenhouse gases

DISADVANTAGES OF NUCLEAR ENERGY

• Uranium can be dangerous
• Its waste can be very hazardous
• Long time to build power station
• Nonrenewable
• Uranium exists only in some countries

HYDROPOWER

ADVANTAGES OF HYDROPOWER

• Gets elec. for lots of places
• Most successful of renewable energy sources
• Cheap and efficient
• Produces little pollution
• Some places have enough water to make a lot of electricity

DISADVANTAGES OF HYDROPOWER

• Not strong enough to replace fossil fuels
• Can block pretty views
• Of course there has to be water
• Fish can get lost in them
• Can cause mudslides