Only One is the action platform for the planet.
We’re on a mission to restore ocean health and tackle the climate crisis in this generation — with you.
We mobilize millions to win global campaigns.
We fund the world’s best ocean and climate solutions.
We tell stories that spark change for people and planet.
3,445,120 actions taken
Next milestone: 1,000,000
Next milestone: 4,000,000
Next milestone: 200,000
Next milestone: 100,000
Next milestone: 20,000
The most powerful solutions, accelerated.
We support only the most impactful projects and campaigns. They harness the latest science, prioritize the most affected communities, and are independently verified.
100% goes to the field
Every cent donated via our monthly plans goes to the field. We even cover card processing fees, so it really is 100% and we’re audited annually to prove it.
We prove all our impact
We work with policy experts and community leaders to bring you real-time campaign progress. We track every cent allocated to our trusted project partners.
We’re a U.S. nonprofit
We’re supported by some of the most trusted names in philanthropy. We value transparency and every year we publish our financials and an annual impact report.
Why now? Why you?
You have the power
Government action is too slow, but when millions of us mobilize together, leaders have to act. We tell you when and why campaigns matter and how you can help.
We know what to do
The answers are already out there. We just need to implement them — fast. We connect every cent you give to the world’s most impactful projects.
It’s easy to get started
Today’s crises can be overwhelming, but when we act together, small steps have big impact. We’ll help you get started with actions that resonate with you.