@article{fdi:010096331, title = {{T}he {O}cean {E}quity {I}ndex}, author = {{B}lythe, {J}. {L}. and {C}laudet, {J}. and {G}ill, {D}. and {B}an, {N}. {C}. and {E}pstein, {G}. and {G}urney, {G}. {G}. and {J}upiter, {S}. {D}. and {M}ahajan, {S}. {L}. and {M}angubhai, {S}. and {T}urner, {R}. and {B}ennett, {N}. {J}. and {D}'{A}gata, {S}t{\'e}phanie and {F}ranks, {P}. and {L}au, {J}. and {A}hmadia, {G}. and {A}ndrachuk, {M}. and {A}nnasawmy, {P}. and {B}run, {V}. and {D}arling, {E}. {S}. and {D}i {F}ranco, {A}. and {E}vans, {L}. and {L}azzari, {N}. and {N}aggea, {J}. and {R}elano, {V}. and {P}ertuz, {M}. {C}. and {V}illasante, {S}. and {Z}afra-{C}alvo, {N}.}, editor = {}, language = {{ENG}}, abstract = {{T}he ocean is essential for humanity1, 2-3. {Y}et, inequity in ocean-based activities is widespread and accelerating4, 5, 6, 7-8. {A}ddressing this requires governance approaches that can systematically measure equity and track progress9. {H}ere we present the {O}cean {E}quity {I}ndex ({OEI})-a framework for assessing and improving equity in ocean initiatives, projects and policies. {W}e apply the index, which scores twelve criteria, to case studies at local, national and global scales. {W}e show that the {OEI} can generate structured data to support evidence-based decision-making across ocean sectors and scales. {A}s a theoretically robust and widely applicable tool, the {OEI} can guide the design of more equitable ocean initiatives, projects or policies, ensuring better outcomes for coastal people and marine ecosystems.}, keywords = {{MONDE}}, booktitle = {}, journal = {{N}ature}, volume = {[{E}arly access]}, numero = {}, pages = {[13 p.]}, ISSN = {0028-0836}, year = {2026}, DOI = {10.1038/s41586-025-09976-y}, URL = {https://www.documentation.ird.fr/hor/fdi:010096331}, }