Page 146 - Shaping A Sustainable Future
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Eco-Solution 5: Waste Reduction


            One  of  the  significant  environmental  and  ecological   This  proposal,  if  implemented,  will  bring  about  a
            contributors to waste at the nursery is the disposal of   significant carbon footprint reduction and is encouraged.
            plastics.  The  carbon  footprint  of  plastic  (LDPE  or  PET,   However, it is understandable that business economics
            polyethene) is about 6 kg CO emissions per kg of plastic.   plays  a  severe  consideration  in  its  implementation.
                                     2
            The  reduction  of  plastic  products  will  directly  impact   Based  on  usage  data  provided  by  Island  Nursery,  a
            and  reduce  the  carbon  footprint  of  Island  Landscape   potential 75 % reduction in plastic use is recommended,
            Nursery’s  business  operations.  If  an  alternative  pot,   with the complete replacement of current plastic pots
            made  from  biodegradable  coconut  husks  or  plant-  and potting bags in use.
            derived plastic, is used as a substitute for the plastic pot,
            the  benefits  will  be  significant.  An  estimated  amount
            of plastic waste is 2,000 kg annually, as provided by the
            company.


            Presentation of Data

            Before implementing  the  solution,  the  current  annual
            CO   Emissions  estimated  for  Island  Nursery  business
               2
            operations are shown in Table 2.


                      Resource               Annual Usage         Annual CO  Emissions (kg)    Conversion Factor
                                                                          2
             Water                     480 m 3                  144                       0.3 kg CO  / m 3
                                                                                                 2
             Electrical                48,000 kWh               20,100                    0.42 kg CO /kWh
                                                                                                  2
             Fuel - Diesel             19,200 litres            50,670                    2.64 kg of CO  /litre
                                                                                                   2
             Synthetic Chemicals       7,200 kg                 8,442                     2,800 kWh/ton fertiliser
                                                                                          0.42 kg CO /kWh
                                                                                                  2
             Plastics                  2,000 kg                 12,000                    6.0 kg CO /kg plastic
                                                                                                 2
                                       TOTAL                    91,350

                                             Table 2: Current operations carbon emissions.











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