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A team of divers, led by Italian artist Marco Barotti, is installing solar‑powered underwater speakers off Jamaica’s northern coast to broadcast recordings of thriving reefs, aiming to coax fish and coral larvae back to a dying ecosystem.Artists Deploy Underwater Speakers to Simulate Healthy Reef SoundscapesThe divers are laying underwater speakers on the seafloor, each linked to a floating solar panel that powers a 14‑hour daily playback of reef noises – snapping shrimp, grunting fish and shifting currents. The project, run in partnership with the Alligator Head Foundation, blends sculpture (Barotti’s 3‑D‑printed coral forms) with marine biology, attaching lab‑grown coral fragments to the installations.Acoustic Enrichment Shows Quantifiable Gains in Fish PopulationsThe Great Barrier Reef study found that playing healthy‑reef sound lured fish to degraded zones, doubling the total fish population in six weeks.Species diversity rose by 50%, a key metric for long‑term resilience.Reefs cover just 1% of the ocean floor yet support 25% of marine life.Since 1950, roughly 50% of global coral reefs have been lost.Sound‑Driven Restoration Could Shift Global Coral Conservation StrategiesBy re‑introducing the acoustic signature of a healthy reef, the approach offers a low‑cost, scalable tool that complements traditional methods such as coral gardening and heat‑resistant breeding. Restored soundscapes can attract fish, which in turn bring nutrients and improve water quality, creating a positive feedback loop that benefits both biodiversity and coastal protection against storms.Scaling the Boombox Model: What the Next Five Years May HoldResearchers anticipate pilot programs across the Caribbean, the Indo‑Pacific and the Red Sea. Funding will likely flow from climate‑adaptation grants and private‑sector partnerships interested in eco‑tourism. If acoustic enrichment proves effective at larger scales, it could become a standard component of reef‑restoration roadmaps by 2030.

Global wildlife populations have crashed by nearly three-quarters since 1970, yet a new comprehensive assessment reveals a surprising resilience within UNESCO-designated sites. These protected areas—ranging from World Heritage sites to Biosphere reserves—have maintained stable wildlife populations, serving as critical refuges for biodiversity in a collapsing natural world. However, this stability is fragile; the report highlights that these sites are under severe environmental stress, with 90% facing high levels of pressure, primarily from extreme heat. Key Developments Global vs. Local Decline: While global wildlife populations have fallen by 75% since 1970, populations within UNESCO sites have remained largely stable. Tree Cover Loss: More than 300,000 sq km of tree cover has been lost within these sites since 2000, an area larger than the Republic of the Congo, driven largely by agricultural expansion and logging. Species Havens: One-third of the world's remaining elephants, tigers, and pandas reside in these protected areas. Critically endangered species like the vaquita, Javan rhinoceros, and Sumatran orangutans rely almost exclusively on these sites for survival. Climate Stress: 90% of UNESCO sites globally are judged to be under "high levels" of environmental stress, chiefly extreme heat, with one in four sites projected to reach critical climate tipping points by 2050. Data & Market Impact The economic and ecological value of these sites is immense. They cover more than 13 million sq km, an area larger than the combined landmass of China and India. The report estimates that these sites generate approximately one-tenth of global GDP and are home to about 900 million people speaking over 1,000 languages. Furthermore, they store an estimated 240 gigatons of carbon, equivalent to nearly two decades of fossil fuel emissions, acting as vital carbon sinks that are now at risk of turning into carbon sources. Why This Matters The survival of these sites is not just an environmental issue but a global economic and security imperative. The loss of biodiversity within UNESCO-designated areas would represent a catastrophic failure of international conservation efforts. For the 900 million people living within these territories, the degradation of these ecosystems threatens their livelihoods, cultural heritage, and food security. Economically, the loss of these biodiversity hotspots would disrupt industries ranging from tourism to pharmaceuticals, which rely heavily on ecosystem services. Additionally, the potential shift of these forests from carbon sinks to carbon sources could accelerate global warming, disproportionately affecting vulnerable regions. Expert Insight Tales Carvalho Resende, co-author of the report, notes that while the stability of wildlife in these sites is a positive sign of resilience, it is a fragile victory. The analysis suggests a critical shift in threats: historically, these sites faced local pressures like poaching and logging, but the current data indicates that climate change has become the primary driver of threat. The report underscores that legal protection is no longer sufficient; these sites require active adaptation strategies to survive the changing climate. The involvement of Indigenous and local communities, who manage a significant portion of these territories, is highlighted as a key factor in their relative success compared to unprotected areas. What Happens Next With 25% of sites facing potential climate tipping points by 2050, the next decade is critical. The report implies that without immediate intervention, the very mechanisms that have preserved these species—stable habitats—will be eroded by rising temperatures. Future conservation efforts must pivot from mere protection to active climate adaptation. This includes stricter enforcement against deforestation and a global commitment to reducing emissions to prevent the collapse of coral reefs and the drying out of forests within these protected zones. The fate of the vaquita, Javan rhino, and Sumatran orangutan hangs in the balance of these upcoming climate and policy decisions.

From my home in Hawai‘i, the reef is more than a backdrop—it feeds families, shields shorelines, and anchors our culture. Today that vital connection is under unprecedented threat. Scientists report the most extensive coral‑bleaching episode ever recorded, persisting for 33 months into 2025. At a projected 1.5 °C rise in global temperatures, the IPCC warns that up to 90% of the world’s coral reefs could disappear. That temperature threshold is not a distant projection; it is looming now. Even if climate targets are eventually met, reefs continue to be battered by plastic waste, coastal development, agricultural runoff, and overfishing. Their degradation weakens natural storm barriers, leaving coastal communities more vulnerable to floods and erosion, jeopardising homes, jobs, and cultural heritage. In Hawai‘i we speak of kuleana—a generational duty to protect what sustains us. That principle must expand to every person on the planet: caring for reefs is caring for ourselves. On the ground, communities in French Polynesia have shown that, when equipped with the right tools, they can actively restore damaged reefs. Likewise, my collaboration with the Global Fund for Coral Reefs and the UN Environment Programme demonstrates how targeted financing can create sustainable livelihoods, boost marine conservation, and help coastal societies rebound after extreme weather. Time, however, is not on our side. The next twelve months could become a defining turning point for coral ecosystems. New scientific findings and a series of high‑profile gatherings—including the Kenya Ocean Conference, the International Coral Reef Symposium in New Zealand, and the upcoming Global Coral Reef Summit—will focus world attention on reef survival. The responsibility now lies with governments, businesses, and individuals alike. Proven actions include: cutting carbon footprints, eliminating plastic leakage, protecting keystone species, supporting reef‑positive enterprises, investing in resilient coastal economies, enacting protective legislation, and amplifying public advocacy. Moments like 2026 are not just about pledges; they are about swift, measurable change. Coral reefs cannot wait for perfect plans—they need us to act now, embodying the spirit of kuleana for the sake of our children and the ocean that sustains us. Jason Momoa is an actor, filmmaker, and UNEP Advocate for Life Below Water, dedicated to protecting oceans and raising global awareness of coral‑reef conservation.