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82 | RESILIENT COASTS
                                                           IN
                                                           FIGURES
                                                           (sources: IPCC)



            Because when they are protected, coastal ecosystems     ■  17 cm: the increase to the ocean level
            provide key services that improve climate resilience   in the course of the 20  century
                                                                                       th
            and safeguard both the blue economy and human
            well-being. The habitability of the world’s cities and     ■  570 cities threatened by rising sea levels
                                                                 worldwide
            coastlines is more than ever tightly connected to the
            destinies of coastal habitats, which are capable of sto-
            ring blue carbon, protecting communities from storms,   ESTIMATIONS
            and improving water quality as well as fish production.
                                                                ■  60 to 110 cm: the estimated increase
                                                                 in the ocean level by 2100 depending
            Placed under the presidency of HSH Prince Albert II of   on greenhouse gas emissions, i.e.
            Monaco, the conference brought together thirty or so   an increase rate 2 x faster on an
            high-level speakers and many partners of the Monaco   acceleration curve
            Yacht Club on 25 March 2022. Throughout the confe-    ■  1 billion people will be exposed
            rence, recommendations were put forward for coastal   to coastal risks by 2050
            resilience, which could be used by governments, in-
            dustry and civil society, as well as mayors. Organised     ■  600,000 cities affected by rising sea
            by the Prince Albert II of Monaco Foundation in coo-  levels by 2050 (source ORRA)
            peration with the Stimson Centre and the Ocean & Cli-
            mate Platform, the conference was officially approved
            by the United Nations as an Ocean Decade event.




            COASTAL RESILIENCE
            DEMANDS A NEW

            NARRATIVE


            FOUNDED ON SCIENCE…

            “Rising sea levels are a threat multiplier”, as indicated
            by the Vice-President of the second IPCC taskforce ,
                                                    8
            Hans-Otto Pörtner, who presented the latest climate
            report.  Experts  recommend  various  mitigation  and
            adaptation measures depending on the climate sce-
            narios specific to each region.

            The context of cities, “with a concentration of these
            issues and having a key role to play” drew the experts’
            attention who prioritise measures specific to the urban
            context: building upwards, creating biostructures, ur-
            ban planning, moving away from the coast, but above
            all protecting marine ecosystems to increase their ca-
            pacity of services rendered to society, such as their
            protective role in relation to extreme climate events.


            8. Intergovernmental Panel on Climate Change.
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