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Generations of Tradition, a Future of Restoration: How GuardianBLU Is Transforming Phu Quoc
The Waters We Love Are at a Tipping Point Phu Quoc’s reefs are facing an unprecedented challenge. Historical bleaching events hit local waters with average coral bleaching ratios as high as 28.2%—significantly worse than neighboring coastal regions. Recent severe marine heatwaves wiped out up to 90% of the coral cover in critical spots like the Coral Jungle Reef, while coastal runoff continues to smother vital slow-growing species like Pavona and centuries-old Diploastrea. Re
Ashley Diaz
Aug 112 min read


The State of Our Reefs: Why Phu Quoc’s Coral Needs Us Now
The ocean around Phu Quoc is struggling. We all know it. But looking at the actual data makes it hit differently. Back in 2016, a massive bleaching event ripped through these waters. The average bleached coral ratio hit 28.2 percent here. That was severely worse than other areas along the coast. And it hasn't really stopped. Coastal Region (2016) Bleaching Ratio Phu Quoc Coast 28.2% Ninh Hai Coast 5.6% Con Dao Islands 3.8% The 30-Day Blueprint: Building a Sanctuary on the Sea

Steven DeRoch
Jul 296 min read


5 Ways You Can Protect the Reefs (Without Getting in the Water)
When you picture saving the ocean, you probably imagine scuba divers planting coral fragments or researchers living on a boat for weeks at a time. But the reality of ocean conservation is a lot closer to home. You don’t need to be a marine biologist, a diver, or even live near the coast to make a massive impact. At GuardianBlu, we know that everything is connected. The health of our most vulnerable reef ecosystems is heavily influenced by the choices we make on land every sin

Steven DeRoch
Jul 283 min read


The Science Behind the Shield: Welcoming Harriet Brown, MSci, to the GuardianBlu Team
When we transitioned from an alliance of elite freelance divers under ProDVA to a dedicated non-profit organization, we made a promise to ourselves and our partners: every single drop of sweat we put into the ocean would be backed by bulletproof, peer-reviewed science.

Steven DeRoch
Jun 273 min read
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