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Natural gas           Video          Natural gas is relatively   Extracting natural gas
                                                       inexpensive to extract, and is a   can cause
                 Natural gas is another                “cleaner” fossil fuel than oil or   environmental
                   fossil fuel that is                            coal                    problems
                 trapped underground
                     in reservoirs.                    When natural gas is burned, it   Fracturing rocks can
                                                        only releases carbon dioxide     cause mini-
                It is mostly made up of                      and water vapor             earthquakes
                      methane.
                                                                                      The high-pressure
                 Natural gas is found in                                             water and chemicals
                    deposits a few                                                      that are forced
                   hundred meters                                                    underground can also
                    underground.                                                     leak to other sources
                                                                                           of water
                       Nuclear             Video        Nuclear power plants do not    Nuclear energy is
                                                          pollute the air or emit     difficult to harvest.
                   Although nuclear                         greenhouse gases         Nuclear power plants
                   energy itself is a                                                are very complicated
                  renewable energy                      They can be built in rural or   to build and run
                  source, the material                    urban areas, and do not
                 used in nuclear power                   destroy the environment      Nuclear energy also
                     plants is not.                           around them            produces radioactive
                                                                                           material
                    Nuclear energy
                 harvests the powerful
                 energy in the nucleus,
                  or core, of an atom.


                  Table 2: RES types, advantages and disadvantages, Source: Renewable Energy, How can we keep the lights on?


                  Renewable Energy            Video             Advantages             Disadvantages
                    Sources (RES)
                                                                                      Currently costly to
                                                                                     manufacture panels.
                                                            Infinite energy supply.
                       Solar cells
                                                                                   Not sufficient power at
                                                              Does not produce        higher latitudes.
                   Solar photovoltaic         Video
                    systems convert                            carbon dioxide.
                 sunlight into electricity                                            Currently not very
                                                                No fuel costs.      efficient. Need storage
                                                                                      methods to store
                                                                                         overnight.
                  Wind farms (Onshore                                                  Can cause local
                     and Offshore)                          Infinite energy supply.   opposition due to visual
                                                                                        impact on the
                   Wind turbines use          Video           Does not produce           landscape.
                  blades to collect the                        carbon dioxide.
                 wind’s kinetic energy.                                             Not always sufficient
                     The blades are                             No fuel costs         wind. Amount of
                  connected to a drive                                               electricity produced

         This project has been funded with support from the European Commission. This communication reflects the
         views only of the author, and the Commission cannot be held responsible for any use which may be made of the

         information contained therein.
                                                         pg. 14
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