We run people-powered campaigns that shape ocean and climate policy worldwide.

Only One runs campaigns that change minds and shape policy. Our international team of experts specializes in strategic communications, movement building, and public advocacy to drive impactful ocean and climate policy worldwide. Our philanthropically funded work focuses on supporting and amplifying the efforts of partners — both globally and in key regions — to restore ocean health and unlock the ocean’s potential as a climate solution.

Public Campaigns, Campaign Design & Management, Data Analysis & Insights, Research & Messaging Strategy, Digital & In-Person Engagement, Organizing Tools, Influencer Mobilization, Performance Marketing, Earned Media, and Visual Design & Content