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The right poop for the sea: why whale excreta helps (and ours doesn’t)

Feb 9, 2026
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Conservation

For the ocean, whale poop is life-sustaining. Human sewage? Not so much. Biologist Joe Roman with the University of Vermont studies these marine "gardeners" who recycle nutrients from the Arctic to the Caribbean. His conclusion is simple: human waste in the ocean is the wrong nutrients in the wrong place. Whales, on the other hand, make the right poop in the right place, benefiting the ocean food web.

A new day for the oceans: a global treaty sets to safeguard the high seas

January 13, 2026
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Solutions

A landmark global treaty to protect the high seas goes into effect, establishing the first legal framework to govern and conserve over half the planet's waters that lie beyond national borders.

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Wastewater Pollution Hotspots Overlap Extensively with Key Ecosystems

Treated or untreated, human waste is making its way into our aquatic ecosystems across the globe.

Jun 3, 2021
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Conservation

GEF CReW+ Readies for Next Phase of Caribbean Wastewater Management

The Caribbean Regional Fund for Wastewater Management (CReW+) project is prepared to enter full implementation in the Wider Caribbean Region (WCR) later this year.

Jun 3, 2021
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UNEP

Welcome to the OSA Newsroom!

The OSA Newsroom is your source for all things related to ocean wastewater pollution.

Jun 3, 2021
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Ocean Sewage Alliance
Ocean Sewage Alliance operates as a project of Multiplier, a tax-exempt nonprofit 501(c)(3) organization that accelerates impact for bold initiatives working to foster a healthy, sustainable, resilient, and equitable world. Through its partnerships, Ocean Sewage Alliance is supported by a team of experienced professionals and trusted advisors who collaborate on operations, strategy, and shared learning. This collective approach helps our team stay focused on impact while working within a values-aligned organizational home. Learn more at mulitplier.org.

© 2025 Ocean Sewage Alliance. An operating project of Multiplier, a tax-exempt nonprofit 501(c)(3).  Federal Tax ID: 91-2166435. Charitable disclosures.
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