This lesson covers:

• What fossil fuels are and their pros and cons

• What nuclear energy is and its pros and cons 

• How solar and wind power work

• The pros and cons of solar and wind power

• What 'geothermal energy' is

• The pros and cons of geothermal power

• What biofuels are

• The pros and cons of biofuel

• Why biofuels aren't carbon neutral

• How hydroelectric dams and tidal barages work

• How they transfer gravitational potential energy to kinetic energy

• The pros and cons of each