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Our impact adds up, one
3,779,561
Actions taken
343,865 km²
Ocean protected
$2.1M
Raised for projects
56
Species protected
4,304,195
Trees planted
147,432
Corals planted
Plastics petition delivered with over 100,000 signatures
New Zealand officially calls for moratorium on deep-sea mining
Costa Rica expands marine protected area to be 27 times larger
60+ species protected by U.S. ban on deadly driftnets
One million mangrove trees restored in Mida Creek, Kenya
Why members from 193 countries love taking action with Only One
Real impact, made easy
Whether you have two minutes or two hours, can join in person or digitally, we connect you with actions that make a difference.
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Climate and ocean scientists, Indigenous leaders, nonprofit veterans, and many others inform every action our community takes.
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We share live updates on every action you take, from legislation passed to the geolocation of each tree planted.
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Join millions to protect wildlife, stop plastic, fight for environmental justice, and tackle the climate crisis.
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Restore ocean health by growing your own forests and reefs, removing plastic, and funding advocacy campaigns.