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The Misconception of Nature's PurposeRecent studies indicate that the Amazon rainforest has transitioned from a carbon sink to a net emitter, while coral reefs face unprecedented decline. These observations fuel a widespread anxiety: is the global ecosystem malfunctioning? We tend to view nature through a utilitarian lens, assuming forests exist to produce oxygen and wetlands to filter water. However, this perspective imposes human desires onto a system that lacks intrinsic goals. The Amazon does not "aim" to absorb carbon; it simply exists. By framing environmental issues as failures of function, we risk obscuring the true nature of the crisis and complicating our response to it.The Evolution of Conservation EthicsThe concept of ecosystem function has evolved significantly over the last two centuries, shifting from resource management to complex ethical frameworks.19th Century: Conservation was driven by game laws and hunting traditions, focusing on maintaining populations for sport and resource use.Mid-20th Century: Aldo Leopold expanded the moral community to include the land itself, proposing a holistic "land ethic."1970s-80s: Legislation like the US Endangered Species Act focused on intrinsic value of individual species.1990s: The Biodiversity and Ecosystem Function (BEF) research agenda emerged, rejecting the species-focused approach to embrace all biodiversity.21st Century: This logic scaled up to underpin UN projects and national natural capital accounts, assigning monetary value to services like pollination and flood regulation.The Philosophical Failure of Causal Role TheoryTo understand why the current framework is flawed, we must analyze the two dominant theories of function in biology: Causal Role Theory and Selected Effects Theory.Robert Cummins developed Causal Role Theory to explain function through a component's contribution to a system's capacity. While useful for tracing causal chains, this theory fails to distinguish between genuine functions and incidental effects. For example, a heart makes a thumping noise, but doctors do not consider this a function. More critically, Causal Role Theory cannot explain malfunction. It can describe a heart with a defective valve moving blood inefficiently, but it cannot say the heart is doing its job badly because it lacks a standard for success.In contrast, Selected Effects Theory, championed by Larry Wright and Karen Neander, grounds function in evolutionary history. A trait has a function if it was selected for that effect in the past. This provides a standard for success and failure. However, this theory struggles to apply to ecosystems, which lack a history of selection for specific ends.The Paradox of Repairing a System Without a GoalThe distinction between descriptive function (how a system works) and goal-directed function (what a system is for) is critical. Ecosystems like the Amazon and the Atlantic Meridional Overturning Circulation (Amoc) have effects we can describe, but no intrinsic ends to achieve. Without these ends, the concept of "malfunction" becomes philosophically shaky. If an ecosystem has no goal, it cannot truly "break down." This creates a paradox for environmentalists: if we cannot define what an ecosystem is supposed to be doing, how can we define what it is doing wrong, and consequently, how do we repair it?Toward a Non-Teleological Conservation FrameworkThe future of environmental policy requires moving beyond the anthropomorphic assumption that nature has a purpose. Conservation strategies must acknowledge that ecosystems operate without goals, yet they still possess resilience and richness that we value. By accepting that ecosystems cannot "fail" in the way machines do, we can focus on preserving their complexity and resilience rather than forcing them into a framework of utility and malfunction. This shift is essential for developing effective strategies to protect the planet's biological wealth in a changing world.

The ocean, long the planet’s heat sink, is now running a fever: in 2025 marine heatwave days were over three times higher than in the early 1990s, signaling a strained climate buffer and escalating risks for ecosystems and coastal communities.The Ocean’s Fever: Surge in Marine HeatwavesProlonged, abnormally warm sea temperatures are bleaching coral reefs, decimating kelp forests, and emptying fishing grounds. When such events become frequent, entire marine ecosystems can cross points of no return, undermining food security for millions.Quantifying the Heat: Data from the IGCC Report90% of excess anthropogenic heat is stored in the ocean.Human‑induced warming is now about 1.37°C above pre‑industrial levels.Sea‑level rise hit a new record of 23 cm since 1901 in 2025, a rate that has more than doubled in recent decades.The Indicators of Global Climate Change (IGCC) report, compiled by over 70 researchers from 50+ institutions, highlights Earth’s energy imbalance— the gap between solar input and infrared radiation to space— as the master gauge of climate change, now more than doubled since the late 20th century.Ecological and Societal Ripple EffectsBeyond ecosystems, the heatwave surge disrupts coastal economies, amplifies extreme weather, and threatens the sensor networks that track ocean health. Recent budget cuts have slated the closure of four of five key Pacific and Atlantic monitoring sites, jeopardizing real‑time data essential for policy and adaptation.Future Outlook: Monitoring Gaps and Policy LeversWhile the climate signal is unmistakable, the path forward hinges on restoring observation capacity and leveraging the IGCC findings to drive mitigation. Citizens, businesses, and governments retain tools— from emission reductions to renewed funding for ocean monitoring— to rebalance Earth’s energy budget before irreversible thresholds are crossed.

Lead: A Fresh Lens on Evolutionary TheoryThe Guardian’s review of Rowan Hooper’s Togetherness praises the book for reframing evolution from a ruthless struggle to a network of collaborative relationships that underpin life on Earth. Hooper’s Argument for Symbiosis Over CompetitionHooper contends that the classic Darwinian narrative—popularised by Herbert Spencer’s “survival of the fittest”—over‑emphasises competition because it was forged in a colonial, capitalist era. He draws on modern research to show that cooperation, from lichens to coral reefs, is the default state of most organisms. Lichens: a partnership of fungi, algae, and sometimes cyanobacteria that thrives from tundra to rainforest.Coral reefs: cnidarians hosting photosynthetic algae; bleaching occurs when warming waters break this symbiosis.Mycorrhizal fungi: essential for nutrient uptake in most land plants.Microbiome: gut bacteria produce the neurotransmitter serotonin and protect against disease. Numbers Highlighting Ecological StakesThe review cites concrete data that underscore the fragility of these partnerships: Coral reefs have declined by half since the mid‑20th century due to bleaching.The book retails at £25, positioning it as an accessible yet scholarly work. Implications for Evolutionary Science and ConservationBy foregrounding symbiosis, Hooper aligns with biologist Lynn Margulis’s endosymbiotic theory, which reshaped our understanding of cellular evolution. The review argues that embracing cooperation can reshape public discourse, policy, and conservation strategies, urging a shift from competition‑driven exploitation to ecosystem stewardship. Future Directions for Research and Public PerceptionHooper predicts that as the scientific community continues to uncover interdependent mechanisms—such as the “wood wide web” of forest fungi—educational narratives will increasingly celebrate collaboration. This could foster broader support for biodiversity protection and inspire new interdisciplinary research linking genetics, ecology, and sociology.

The Lead Cuba is facing significant challenges in protecting its pristine reefs due to the US blockade and economic scarcity. However, the country is taking innovative steps to preserve its vital marine ecosystem. Cuba's Reef Conservation Efforts Cuba's Ciénaga de Zapata national park, a world-renowned site for marine conservation, is recognised as a biosphere reserve and a Ramsar site for its biodiversity and geodiversity. The park's coral cover has been relatively healthy compared to other Caribbean regions, with limited use of chemicals in farming and minimal pollution. The Impact of US Sanctions The US sanctions and economic scarcity have hindered conservation efforts in Cuba. The country's power crisis has virtually paralysed the economy, making it difficult for scientists to carry out and monitor existing projects. The oil blockade imposed by the US has also affected the transportation of volunteers and the control of illegal fishing. The Data Analysis The Caribbean has lost 48% of its coral cover since 1980, according to a recent report by the Global Coral Reef Monitoring Network. Cuba's coral reefs were relatively healthy until 2023, when stony coral tissue loss disease (SCTLD) and an intense bleaching event damaged the reefs, prompting the Cuban government to adopt a new policy to protect them. The Impact Analysis The US administration's decision to underinvest in the environment is extremely misguided and self-defeating, according to Daniel Whittle, Resilient Caribbean initiative. The current crisis and the climate-sceptic Trump administration have hampered on-the-ground projects, worsening the situation since the oil blockade imposed by the US. The Prediction Despite the challenges, Cuba's innovative conservation efforts, including coral restoration and marine cleanups, are crucial to preserving its vital marine ecosystem. The country's commitment to protecting its reefs is essential for the Caribbean and the world, and it is hoped that the international community will support these efforts to ensure the long-term health of the planet's oceans.

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.