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CASE STUDY


              Thane City’s HAP (TMC and       will and how to take action.    the risk to the systems (in
              CEEW 2024).                                                     this analysis, the Prabhag
                                              2.2.2 Framework                 Samitees).  The  sub-indices
              2.2.1 Background
                                              To enhance the information      are hazards, exposure, and
              Building on the foundation      for decision-making, a ward-    vulnerability     (consisting
              provided by the NDMA            level heat risk index was       of adaptive capacity  and
              guidelines of 2019 for HAPs     specifically  developed  for    sensitivity)  as defined  in
              and the National Disaster       Thane City which adhered to     Figure 1
              Management  Plan 2019, a        the standardised methodology    2.2.3 Methodology
              comprehensive     framework     outlined  in  the  IPCC  Fifth
              for effective heat action was   Assessment Report (AR5)         The approach to developing
              established. This framework     of 2014 (Intergovernmental      the Thane HAP involved
              comprises of the following      Panel on Climate Change         rigorous    data   collection
              three critical components: I)   2014). The risk assessment      and    validation    through
              when to take action, ii) where   framework    comprises    of   extensive        stakeholder
              to take action, and iii) who    three components that define    consultations  (Figures 2 and
                                                                              3).  Various    stakeholders,
                                                                              including line departments,
                                                                              scientific   experts,    and
                                                                              policymakers     crucial   to
                                                                              the  plan’s  implementation,
                                                                              actively  participated.  The
                                                                              consultations centered around
                                                                              presenting     climatological
                                                                              analysis, the heat risk index
                                                                              with   its  indicators,  and
                                                                              the locally developed heat
                                                                              thresholds,  which was done
              Figure 1: Risk assessment equation                              using    openly    accessible
              Source: TMC and CEEW 2024                                       climate    and     geospatial
                                                                              datasets.

                                                                              2.2.4 Results
                                                                              As  per  Thane  City’s  heat
                                                                              risk index seen in Figure 3,
                                                                              Wagle and Mumbra Prabhag
                                                                              Samitees have the highest
                                                                              risk,  followed  by  Kalwa  and
                                                                              Lokmanya Savarkar Nagar
                                                                              Prabhag Samitees which  fall
                                                                              in the moderate risk category.
                                                                              Furthermore, Diva, Naupada,
                                                                              and  Uthalsar  show  low  risk
              Fig 3: CEEW team in discussion with relevant line departments validating the heat   whereas, Vartak Nagar and
              risk assessments                                                Majiwada-manpada        show
              Source: TMC and CEEW 2024                                       very low risk.


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