“…Build vertical and horizontal governance networks and linkages across policy domains and sectors to legitimise decisions, build trust and improve coordination (high confidence). (Glavovic and Smith, 2014;Colenbrander and Sowman, 2015;Dutra et al, 2015;Sowman et al, 2016;Van Putten et al, 2016;Forino et al, 2018;Lund, 2018;Pinto et al, 2018;Clar, 2019;Pittman and Armitage, 2019) In the Lesser Antilles multiple state and non-state actors are working together, building trust, and coordinating activities through decentralisation and self-organisation (Pittman and Armitage, 2019) (Dyckman et al, 2014;Glavovic and Smith, 2014;Dutra et al, 2015;Ensor and Harvey, 2015;Chu et al, 2018;McFadgen and Huitema, 2018;Mazeka, 2019;Wolfram et al, 2019) Innovation is underway to enhance social learning, reflexivity and coalition building (Chu et al, 2018;Bellinson and Chu, 2019;Wolfram et al, 2019), e.g., Surat, India (Chu, 2016a;Chu, 2016b), Santos, Brazil (Marengo et al, 2019), Portland, USA (Fink, 2019), and port cities in Europe and East Asia (Blok and Tschötschel, 2016), In Surat, for example, adaptation experiments created valuable arenas for engaging governance actors and stakeholders, understanding climate and development co-benefits, and testing new ideas (Chu, 2016b). Lessons include:…”