Page 62 - DK Children's Encyclopedia
P. 62

Climate change                                                                    SEE ALSO

                                                                                               ▸ ▸ Arctic  p.25
                                                                                               ▸ ▸ Carbon cycle  p.49
           Climate is the average weather for an area. The way we                              ▸ ▸ Fossil fuels  p.110
           live is changing the Earth’s climate. It is becoming warmer.                        ▸ ▸ Industrial
           This change is causing extreme weather conditions, such                              Revolution  p.133

           as long periods of little rainfall, called droughts, and huge                       ▸ ▸ Pollution  p.198
           storms. Many countries are now trying to stop                                       ▸ ▸ Storms  p.246
           climate change.



                                                                                     What is the cause?
                                                                                     Power stations, factories, and cars
                 More than                                                           pump gigantic amounts of the gas
             39 billion tons                                                         carbon dioxide (CO ) into the
                                                                                                     2
           (35 billion metric tons)                                                  atmosphere. This gas acts like
            of CO 2 is released                                                      a blanket, trapping the sun’s
               every year.                                                           heat and warming our planet.





















                                                                                        Exhaust fumes from
                                                                                        road traffic are one of
                                                                                        the biggest causes
                                                                                        of climate change.


       How is the climate changing?
       Climate change is making our summers hotter. Floods,   What can we do?                    Solar panels make
       droughts, and powerful storms are becoming more        We need to reduce the amount       energy from sunlight
       common. The ice in cold parts of the world is melting,   of fuels we burn that release CO .   and do not release
                                                                                      2
       which is making sea levels rise.                       We can do this by using sources    harmful gases.
                                                              of energy that do not produce
                                                              CO , such as sunlight, wind,
                                                                2
                                                              and water.











                 Flooding in New Orleans, Louisiana
                                                             60





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