Page 67 - (DK) Danger! Open with Extreme Caution!
P. 67

Once the world gets just 3.6°F (2°C)   4   Strike 4—Rising sea levels  6      Strike 6—unsteady earth
              warmer, there may be no going
           back. The loss of Arctic ice is already   Due to melting ice at the poles, sea levels could    Melting ice means rising sea levels.
            replacing reflective white with dark   rise by up to 6 ft (2 m) in the next 30 years. This    Scientists predict that this could trigger
           ocean waters that absorb more heat,
           thereby speeding up global warming.  is high enough to swamp the homes of more than    volcanic eruptions, earthquakes, tsunamis,
                                      150 million people living in the Nile, Mississippi,    and underwater landslides. In 1967, after
                                      and Bengal river deltas. Salt water is already   the Koyna reservoir in India was filled
                                      contaminating the underground freshwater    with 8 billion cu. ft (2.5 billion cu. m) of water,
                                        supplies of cities such as Shanghai in China,   the pressure on the ground led to the region’s
                                         Mumbai in India, and Bangkok in Thailand.   first earthquake, in which 200 people died.


                          5                 5   Strike 5—Ice Age                   7   Strike 7—Ecosystems
                                           The collapse of the ice sheets could trigger   As Earth keeps warming, many
                                            changes in ocean current systems, such as   species will struggle to survive
                                            the Gulf Stream in the Atlantic. This warms   in the regions that they now
                                             northern Europe and prevents the bitter   inhabit. For example, many
                                               winters that are common in places such  flowering plants cannot
                                                as Canada and eastern Siberia. If fresh  bloom without a long period   6
                                                   water coming from the melting   of winter cold to rejuvenate
                                                      poles cuts off the Gulf Stream,   them, and some fish species
                                                         it could lead to a mini ice   are already moving north
                                                             age in Europe like that    in search of cooler waters.
                                                               of the 15th and    With a predicted rise of 3.6˚F
                                                                 18th centuries,   (2˚C), the warming oceans
                                                                   when the River   and increased acidity could
                     Way to go, son!
                                                                     Thames froze  kill many of the world’s
                                                                       regularly.  tropical coral reefs.
                  over by it all.
               Is it just me or is it getting warm
              in here? I’m feeling a bit bowled





























                                                                                                    7






                             4








                                                                                         CLIMATE CHANGE             67
                                           (c) 2011 Dorling Kindersley. All Rights Reserved.
   62   63   64   65   66   67   68   69   70   71   72