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Sharing the startups, science, and stories shaping the ocean economy. Newsletter published weekly.

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PricingOnly free issuesPublishesWeekly
Issues38Founded7 months agoLast Issuea month ago
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Latest Issues

Viable Gear: Building Seaweed Bioplastic From Scratch, and What It's Turning Out to Be Capable Of

In 2017, Katie Weiler watched a documentary about ocean plastic, took a 30-day pledge to go plastic-free, and describes it as the event that changed the trajectory of her life. She largely held to it for three years, until the pandemic made...

a month ago
9
2

🟦 Blue Tide Roundup | August 05, 2026

Welcome back! This week we're looking at strong earnings from one of South Korea's biggest shipbuilders, a new blended finance fund targeting blue economies in small island nations, and a pilot test in Japan that could turn ocean-captured c...

a month ago
5

🟦 Blue Tide Roundup | July 29, 2026

Welcome back! This week we’re looking at why the Great Lakes blue economy deserves more attention than it gets, how the world’s largest infrastructure build can avoid damaging the ocean, and a new funding opportunity for Florida research te...

a month ago
4

Why Ocean Tech Keeps Getting Stuck Before It Scales

The blue economy is having a moment. Capital is moving in, conferences are full, and the science is strong. And yet the most promising ventures keep stalling out between proven and commercial.

Brooke Lynn Elzweig has a name for the space w...

a month ago
7
1

🟦 Blue Tide Roundup | July 22, 2026

Welcome back! This week we’re looking at a Miami startup closing a $10M round to scale 3D-printed living seawalls, the Dutch navy testing a fleet of autonomous vessels and drones, and a $15M federal award to modernize New England’s seafood...

2 months ago
3

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