Page 6 - My FlipBook
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Chapter  2
            Chapter  2
             Lowering
             Lowering



               Emissions
               Emissions







                                                            These are gases that heat up
                                                            the Earth.
                 lobal warming is caused
           Gmostly by human activity                        Carbon dioxide (CO2) is one of the
            and behaviour. The main                         biggest causes of global warming.
            way humans increase global                      People increase CO2 emissions
            warming is by creating                          by burning fossil fuels. These are
            greenhouse gases (GHGs).




                    FUN FACT
              The Irving Oil Refinery in Saint John, New Brunswick, is the largest in Canada.




































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