Editor’s note: We can no longer continue to deny the evidence. We are living through the end stage of the Pyrocene. We have hit rock bottom and are seeking solutions from anywhere else but to slow down. Unfortunately, the necessary change will not come from us, rather something external will bring us down. But we should give it a push whenever possible. Dying and being reborn is a natural process, we must contract when faced with hard times.
“The best type of degrowth is practiced as a pre-emptive measure at a time of health and abundance, not when it is too late, to ensure that maximum resource is conserved for the difficult times ahead.” – George Tsakraklides
Ancestral Future’, a book by Ailton Krenak, the first Indigenous person elected to join the Academia Brasileira de Letras (Brazilian Academy of Letters), was published in English on July 30, 2024.
An Indigenous leader, environmentalist, philosopher, poet and writer, Krenak advocates for a paradigm shift away from modern Western notions of progress, development and unrestrained economic growth that are the root cause of global challenges like climate change and biodiversity loss.
He says he believes we can change course and that several possible sustainable futures exist if humanity reconnects with ancient wisdom, recognizes Earth as a living organism and lives in harmony with nature.
In this interview, Krenak discusses his newly translated book and what he thinks our possible futures look like.
For decades, scientists have been warning that the world is heading toward catastrophic scenarios due to climate change. But Ailton Krenak refuses to think about an apocalypse. On the contrary, he argues that there are several possible futures — but they will only be achievable when we realize that “being is more important than having.”
For the Brazilian Indigenous leader, environmentalist, philosopher, poet and writer, Western society is facing an urgent need for a paradigm shift that challenges the ideas of progress and development themselves.
“I’m not a pessimist, but I’m sure that the only way to move forward in this world is to reconnect with ancient wisdom. We have long been divorced from this living organism that is the Earth,” Krenak said in an interview with Mongabay.
Born in Itabirinha, in the state of Minas Gerais, the 71-year-old Indigenous leader has been a prominent figure and an advocate for Indigenous rights for decades. In the late ‘80s, he became famous for his appearance at Brazil’s National Constituent Assembly, where he functioned as a representative of Indigenous peoples in constitutional debates.
While giving his speech at the Congress in 1987, he stood on a platform, in front of those who threatened the land rights and culture of Indigenous peoples, and painted his face in black jenipapo paste (from the genipap fruit, Genipa americana). It was a form of protest against the setbacks and violent attacks on his rights and those of his Krenak relatives by the Brazilian dictatorship. The following year, a new Constitution was put into law, establishing fundamental rights for Brazil’s Indigenous peoples for the first time in history.
From then on, Krenak’s efforts to raise awareness around the world about the need to rescue ancestral values intensified. His profound ideas have been disseminated through lectures, educational courses and articles. He has been awarded with honorary doctorates from three esteemed Brazilian universities, published more than 15 books — some of them have been translated into more than 13 languages. And, in 2024, he became the first Indigenous person elected to join the Academia Brasileira de Letras (Brazilian Academy of Letters).
Well known for thinking outside the box and being provocative, Krenak has a deeply skeptical view of capitalist progress and agues it devalues the natural world. He says he believes humanity is facing an urgent need to reconnect with the biocentric approach that dethrones humanity from its pedestal and roots us back to our origin. This is the main argument of his most recent book, Ancestral Future. Published in Portuguese in 2022, it is a compilation of five essays in which Krenak deals with the preservation of rivers as a way of conserving the future. The English translation of the book is now available and was published on July 30.
To mark the new release of his translated book, Mongabay spoke with the Indigenous academic by phone for more than an hour about spirituality, modern Western society, ancestral values and his ideas for possible futures.
Mongabay: In your books and lectures, you advocate for an eco-centric perspective that recognizes intrinsic value in all life forms and seeks to de-emphasize human prominence. This is similar to how many Indigenous peoples live, but it is very distant from modern Western mentality, which centers humans and treats nature primarily as a resource. Why do you believe this radical paradigm shift in the Western world is so urgent and necessary?
Ailton Krenak: We are all experiencing a rupture in our sense of belonging to life. We are now perceiving everything as a threat: rains, floods, temperatures. But we don’t realize that what we are experiencing is the fever of the planet. This is the Earth responding to human actions that have long placed us at the center. It is what scientists define as the ‘Anthropocene,’ a theory suggesting that human activities have profoundly altered the functioning of the planet and that could mark a new geological era.
This scares us because we’re not accustomed to not having control over the planet. We struggle to accept that the Earth is a living, intelligent organism that cannot be subjected to anthropocentric logic. Yet, this reality asserts itself, and that’s why we live in constant tension. What we are experiencing today is a phenomenon of the 21st century, arising because we treated the 20th century as if it were a period where we could be on an industrial binge on the planet.
Mongabay: Do you mean by ‘living irresponsibly’?
Ailton Krenak: Yes. The 20th century was very prosperous. The world experienced what the United Nations and other major organizations called global development, which resulted in the term ‘globalization.’ We spent the 20th century euphoric with this idea of a global village. But no one paid attention that if harm came to this village, everyone would be affected. The idea of a single global economy resulted in finance capitalism, which we experience today, which is an unsustainable way of living.
It’s frightening to observe that today, wealth isn’t where valuable things are. It’s not where rivers, mountains or forests are. It’s in large cities, in major industries. We’ve become accustomed to a false sense of well-being.
This Western worldview is very different, for example, from that of the Indigenous peoples of the Andes mountains in South America. They have been living for centuries under the concept of buen vivir or ‘good living,’ questioning the prevalent economic development narratives and recognizing humans as part of the natural world. Good Living is a translation of the Quechan phrase sumaq kawsay. Sumaq means plenitude and kawsay means living. This is what I call a cosmovision, a lifestyle that considers only what the land has to offer us in the place we live in. For many peoples, this perspective has been sufficient for thousands of years. The idea of wealth is perceived differently — not from the experience of having things, but from belonging to a place. I see life on Earth as a cosmic dance. But this is only possible in communities that have this ancestral wisdom, that have managed to persevere with the Earth.
Mongabay: And why have modern Western societies moved so far away from this way of life?
Ailton Krenak: Western society has long been divorced from this living organism that is the Earth. This divorce from interconnection with Mother Earth has left us orphans. While humanity is moving away from its place, a bunch of big corporations are taking over and subjugating the planet: destroying forests, mountains and turning everything into merchandise.
In the West, what we experience is the constant stimulus to have, to buy, but not to be. If we look at human history, we see that it is impossible for everyone to have everything. When a few have a lot, thousands of others are materially poor. This is very easy to understand but very difficult to accept. Propaganda does that to us. More than a hundred years ago, when Henry Ford discovered that he could awaken everyone’s desire to own a car, he made the first billboard of a car with a slogan that said something like, ‘You will have one.’ That was the most disgraceful promise anyone has ever made to humanity. Fordism created the illusion that we can mass-produce the world. We have become a huge crowd of people wanting the same things.
I honestly don’t know if we will be able to reeducate ourselves for a world where what matters is life and the quality of life. It is not the clothes you wear or how much money you can show off. We are hostages of a broad and socially experienced condition that is an illusion. This results in tragedies, and they are everywhere. A river that you destroy never comes back. A mountain that you cut down to make laminate turns into a plain.
Mongabay: What are the premises of this ‘ancestral way of life’ that need to be rescued to create possible futures?
Ailton Krenak: These cosmovisions are not theories, they cannot be presented in a literary work or in a document because they represent a way of being in the world. A collective way of living. If we were to answer in one sentence, it would be: We must learn to live with only what is necessary. In the children’s story The Jungle Book, all the creatures in the forest talk. At one point, the bear says to the boy that lives in the forest, ‘Only what is necessary, only what is necessary.’ It is beautiful because children understand what is necessary, but adults often do not. When we become adults, we go beyond the limits of what is necessary; we think we can force the Earth to give us what we want, not what it can sustainably provide. The phrase ‘only what is necessary’ is the first thing we will have to relearn. We have drawers to store everything we do not need. Maybe the first step is to imagine a world without drawers.
Mongabay: In 2024, you were elected to the Brazilian Academy of Letters and became the first Indigenous person to occupy a chair at the century-old institution. Do you consider this to be a sign that Indigenous culture and thoughts are beginning to be valued?
Ailton Krenak: I believe so. Indigenous literature is not only gaining relevance in Brazil but is also being translated in various countries. I believe this is likely because the Western repertoire has been exhausted. I see this movement as a desire to find some way out, a desire to think about the future. It’s as if we have hit rock bottom and are seeking solutions elsewhere.
For a long time, Brazilian educational institutions were subservient to European knowledge and literature. The majority still seek to transplant dominant thinking here. Brazil has not managed to shake off its ‘mongrel complex’ [an inferiority complex Brazilians feel in relation to the rest of the world] and continues to wait for a white boss to come and teach people how to live, even within the forest. Everyone, except for the deniers, knows that our modern relationship with nature is leading us to very difficult experiences in the coming years due to rising global temperatures.
If we are already highly vulnerable with current climate conditions, imagine when we reach temperatures unbearable for human life? We are undergoing changes that were not planned. We are experiencing a disruption within ourselves that was not programmed. If we wish to envision a future possibility, we need to put a limit on our relentless pursuit of development, of technology at any cost. This drive has been encouraged since childhood. You no longer see children building their own toys. In most schools, childhood is being shaped for a dystopian future, where toys are even influenced by the military industry. You see children playing with guns made out of plastic, pretending to kill each other. How can we cultivate a future like this? I understand that the world is realizing this is unsustainable and searching elsewhere for future possibilities.
Mongabay: Is it obsolete to think about economic development and growth in today’s world? Or can a cosmovision complement the idea of economic development?
Ailton Krenak: The planet’s economic development is what is destroying life on Earth. We do not need economic development anymore. The wealth of the world is at least 8-10 times bigger than what we actually need. There are about 110 armed conflicts happening worldwide because the military industry needs to produce weapons. War is what boosts the economy the most in the world. It’s not life, it’s war. We invest trillions in war, not in protecting biodiversity. The discourse of progress and development is foolish because if you ask where humans will get water and food for everyone, they will tell you it’s from the land, as there’s no other place to get it from. Yet, they persist in ignoring adequate policies for land access.
Before talking about more development, it would be necessary to consider greater engagement with environmental issues, territorial issues, land management and the privatization, destruction and degradation of river basins. Otherwise, it is unsustainable. This paradigm shift is needed. I thought humanity would begin to reconsider the idea of development and globalization after the tragedy of the COVID-19 pandemic because, as a global event, it paralyzed everyone. I thought we would emerge as better human beings from this horror. But I am impressed by how we have worsened.
Mongabay: How do we change this paradigm? The signs are all there that we are heading for trouble, yet it seems that nothing much is happening.
Ailton Krenak: We should be skeptical of any expert, philosopher or global leader who claims to have a solution, because it’s a lie. It took us a long time to build the scenario we find ourselves in, and we won’t be able to undo it with a magic wand. If we had learned anything from the pandemic, which was a global experience, we would have changed our behavior. For example, greenhouse gas emissions would have decreased. But nothing has changed.
That’s why I fear that what will provoke this change that we need will be something external, it will not come from us. It could be another virus, an extreme weather event. Something that collapses our ability to move, our ability to live as we do now. Perhaps then we will undergo a cognitive rupture that stops us from being this consumerist metastasis and leads us to experience another way of living. I believe we have reached our limit and will be thrust into a different situation, a different reality. This could be very tragic though.
Mongabay: This seems like a rather pessimistic view …
Ailton Krenak: Yeah, it seems like we’ve gathered here to talk about the apocalypse. I don’t want to nurture that feeling within myself, nor do I want to cultivate it in others as if it were a declaration of surrender, but we can’t continue to deny the evidence. If we have climate events altering the weather, why should we continue to overspend on things nobody needs? When I published the bookIdeas to Delay the End of the World, I announced my distrust of the idea that development and progress would be the path to the future. I explained that a biocentric vision — an ethical perspective that holds every life as sacred — would be a path to the future.
But for that, we need to renounce the materialistic apparatus that surrounds us. Today, life has become solely focused on consumption, on economic growth at any cost. When I denounce this kind of end of the world, I’m not renouncing hope. But I also don’t want to promote a ‘placebo hope,’ one where you pat someone on the shoulder and say everything will be fine. It won’t be fine. We’re going to get worse for a while. But after that, we can improve, as long as we learn to renounce.
Mongabay: You say we will get worse for a while. Yet, you insist on the idea of possible futures. Do you really believe this is possible?
Ailton Krenak: Our planet is so wonderful. We cannot lose sight of the fact that life is everywhere. No one is a separate cocoon in the cosmos living this experience alone. You experience this with all the organisms that are in the planet’s biosphere. It is as if we were diluted in everything. We need to relearn how to walk softly on the Earth. When we learn to walk like this, we will experience wonder and nothing else will be needed. We must accept Nature’s invitation to dance with life. If we could have an organic mindset, which connects us with bees, ants, the grass that grows, the trees that shake in the wind, that shed their leaves and bring forth new shoots, we would understand that everything is constantly sprouting, growing, dying, being born.
Homo sapiens is the only animal that wants to be eternalized, wants to mummify itself, wants this monoculture way of eating the world. The Earth, Gaia, Pachamama, this living organism is intelligent, and we will have to negotiate with it our possible way out of this hole we have dug. Perhaps the answer lies in the capacity for affection, for embracing all other nonhuman beings.
Mongabay: When you close your eyes, what future do you see?
Ailton Krenak: When I’m on my land, cleaning the yard, I meditate. I detach from the harshness of daily life, close my eyes, and imagine a landscape where waters emerge from the mountains and form small streams. I become such a tiny organism that I dissolve into water. In this place, the concept of future isn’t something you problematize. You experience being the future. This is the ancestral future.
“The geoengineering approach puts Earth’s systems at risk in a faulty and false bid toward solving the climate crisis. It is what we call a false solution,” said one campaigner.
Biodiversity advocates on Wednesday called on the U.S. Environmental Protection Agency to reject a new geoengineering project spearheaded by researchers in Massachusetts that one critic said would do “nothing to solve the root causes of the climate crisis and instead puts at risk the oceans’ natural capacity to absorb carbon and their role in sustaining life on Earth.”
Friends of the Earth (FOE) and other groups warned that an experiment called LOC-NESS by the Woods Hole Oceanographic Institution (WHOI) carries “potentially catastrophic risks” for the Atlantic Ocean, where researchers have proposed dumping more than 60,000 gallons of sodium hydroxide near Cape Cod to test a “carbon dioxide removal approach” called Ocean Alkalinity Enhancement (OAE).
WHOI’s website states that the experiment would involve the release of “nontoxic, fluorescent Rhodamine WT dye into the ocean from a research ship,” with researchers tracking the dye’s movement over 72 hours in order to determine whether the ocean’s alkalinity could be enhanced.
If so, the scientists say, they could ultimately help to regulate atmospheric carbon.
The EPA’s notice about the proposed study from last month, however, says that the project “would involve a controlled release of a sodium hydroxide solution”—which is “essentially lye, a substance known to cause chemical burns and one that must be handled with great care,” according to Tom Goldtooth, co-founder and member of the board of directors of the national Climate Justice Alliance.
“It’s astonishing that the EPA is even considering allowing dangerous, caustic chemicals to be dumped in ocean waters that are frequented by at least eight endangered species, including right whales and leatherback turtles.”
“Altering the chemical composition of the ocean under the guise of increasing its capacity to absorb carbon dioxide is misleading and dangerous,” said Goldtooth. “An experiment centered on introducing this caustic substance into the sea should not be permitted… The geoengineering approach puts Earth’s systems at risk in a faulty and false bid toward solving the climate crisis. It is what we call a false solution.”
Friends of the Earth pointed out that WHOI’s permit application to the EPA acknowledges that after changing the ocean’s alkalinity, the researchers “have no direct way of measuring how much carbon dioxide will be removed by the experiment.”
“The production of alkaline materials is extremely energy-intensive, releasing similar or even higher levels of greenhouse gasses than they remove upon being dumped into the ocean,” said the group. “The researchers have declined to analyze how much carbon dioxide was released in the production, transportation, and dumping of the sodium hydroxide, making it impossible to know whether the technology even reduces greenhouse gas emissions.”
Despite these lingering questions, said FOE, the EPA has issued tentative approval for a permit for the experiment, with a public comment period open until July 1.
The caustic sodium hydroxide solution the researchers plan to use, warns FOE, “causes chemical burns upon contact with skin or marine animals, setting the stage for potentially extreme damage to local ecosystems.”
Benjamin Day, FOE’s senior campaigner for its Climate and Energy Justice Program, said the group “unequivocally” opposes the LOC-NESS geoengineering experiment in the fragile ecosystem off the coast of Cape Cod.
“It’s astonishing that the EPA is even considering allowing dangerous, caustic chemicals to be dumped in ocean waters that are frequented by at least eight endangered species, including right whales and leatherback turtles,” said Day.
Mary Church, geoengineering campaign manager for the Center for International Environmental Law, said “speculative technologies” like OAE are “a dangerous distraction from the real solutions to the climate crisis,” which scientists around the world agree requires a rapid reduction in planet-heating fossil fuel emissions through a large-scale shift to renewable energy sources.
“Marine geoengineering does nothing to solve the root causes of the climate crisis and instead puts at risk the oceans’ natural capacity to absorb carbon and their role in sustaining life on Earth,” said Church. “Outdoor experiments could not only cause immediate harm to marine life but are also a slippery slope to potentially catastrophic impacts of large-scale deployment.”
United Nations Convention on Biological Diversity has placed a moratorium on geoengineering techniques like OAE until there is “adequate scientific basis on which to justify such activities and appropriate consideration of the associated risks for the environment and biodiversity and associated social, economic, and cultural impacts.”
Editor’s note: Sharks are beautiful, intelligent creatures, but they have been overexploited for decades. Because of their “high market value” industrial fisheries hunt sharks for their fins and other body parts. But it’s difficult to control the protection of the sea predators when they move to unprotected zones or international and local fleets fish in other countries’ fishery zones. The brutal killings of adults, babies, and even pregnant sharks happen while our culture is focused on buying more stuff and attending distracting events.
If sharks went extinct, it would set off a chain reaction. Sharks play an important role in the food chain. Smaller animals like shellfish may go extinct if there were no sharks to eat seals, for example. That would create a ripple effect, causing mass die-offs of otters, seals, and many types of fish due to food scarcity. The chain reaction would continue until its effects were felt on land, with fisheries collapsing in a matter of years. When will humanity wake up and start living with – not against other precious beings?
Every year on July 14th, we celebrate Shark Awareness Day. It is not just a tribute to one of nature’s most misunderstood creatures; it is a call to action. Sharks have cruised the oceans for over 450 million years, playing a vital role in keeping marine ecosystems healthy. But today, these apex predators find themselves under increasing pressure, with many species teetering on the brink of extinction.
Sharks: More Than Just Jaws
Hollywood might portray sharks as mindless killing machines, but this couldn’t be further from the truth. Sharks come in a staggering variety of shapes and sizes, from the filter-feeding giants like the whale shark to the sleek and speedy blue shark. They possess incredible senses, like electroreception, that allows them to detect electrical fields emitted by prey, and an amazing ability to navigate vast distances.
As apex predators, they help maintain the balance by regulating the populations of species below them in the food chain. This includes controlling the numbers of mid-level predators and helping to ensure species diversity among smaller fish and invertebrate populations. Their feeding habits help keep marine ecosystems healthy and functional. For instance, by preying on weak or sick individuals, sharks help prevent the spread of disease and ensure a healthier gene pool within the prey population. Their disappearance could have devastating consequences, leading to population explosions of prey species and ultimately, the collapse of entire ecosystems.
A Cause for Alarm: Why Are Sharks Endangered?
Despite their importance, many shark species are alarmingly close to extinction. According to the International Union for Conservation of Nature (IUCN), over one-third or 30% of shark species are either vulnerable, endangered or critically endangered. Some of the most threatened species include the Great Hammerhead, the Oceanic whitetip, and the Basking shark.
The main culprit behind this is overfishing. Driven by demand for shark fins (a prized ingredient in shark fin soup) and meat, millions of sharks are caught every year, often through unsustainable practices like finning, where fins are removed and the body discarded.
Another major threat is habitat loss. Sharks rely on healthy coral reefs and mangroves for breeding and feeding. However, these vital ecosystems are being degraded by pollution, climate change, and coastal development.
A Ray of Hope: Conservation Efforts Underway
The silver lining in the story of sharks is the growing awareness and effort towards their conservation. Governments, NGOs, and international bodies are working together to protect these magnificent creatures:
Protected Areas: Many marine protected areas (MPAs) have been established to provide safe havens for sharks where fishing is restricted or banned. One notable example of a Marine Protected Area (MPA) that provides a safe haven for sharks is the Chagos Marine Reserve in the Indian Ocean. This reserve is one of the world’s largest marine protected areas and encompasses a variety of marine environments. It offers significant protection to various shark species, among other marine life, by enforcing strict regulations that limit fishing and other extractive activities.
Another example is the Jardines de la Reina National Park in Cuba, which has been particularly successful in conserving shark populations. This MPA provides a refuge for several species of sharks and has implemented strict no-take policies and eco-tourism guidelines that help maintain the health and biodiversity of its waters.
Deadly Predators
Deadly predators, Under the sea and on land But, what’s more deadly? A razor sharp, swimming shark Or the end of marine life?
Poem by @saf_begum
Regulations and Bans on Shark Finning: Shark finning, the brutal practice of removing a shark’s fins and discarding the rest of the body, has prompted global action through stringent regulations and international cooperation. Many countries now enforce laws that require sharks to be landed with fins naturally attached, enhancing sustainable practices and compliance. Furthermore, international agreements like CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) play a critical role in regulating the trade of endangered shark species to ensure their survival. These efforts are crucial in curbing unsustainable exploitation, promoting marine conservation, and supporting the recovery of shark populations worldwide.
Sustainable Fishing Practices: Minimizing bycatch, the accidental capture of non-target species in fisheries, is crucial for preserving marine biodiversity, including sharks. Sustainable practices such as gear modification, implementing time and area closures, and employing bycatch reduction devices can significantly reduce unintended catches. Regulations that require fisheries to use circle hooks and turtle excluder devices (TEDs) help prevent the capture of non-target species like sharks and turtles. Additionally, real-time management of fisheries based on immediate data and promoting consumer awareness through eco-labeling, as mandated by organizations like the Marine Stewardship Council (MSC), can drive demand towards sustainably harvested seafood. These strategies not only help conserve marine species but also enhance the overall health of marine ecosystems and support the economic stability of fishing-dependent communities.
This Shark Awareness Day, let’s not only admire the majestic Great Whites and the elusive deep-sea dwellers but also ignite a global commitment to safeguard their future. Every shark species plays a pivotal role in marine ecosystems, balancing marine life and ensuring the health of our oceans.
Today, we must transcend admiration and take decisive action. Let’s pledge to protect these magnificent creatures, understanding that saving sharks is fundamentally about preserving the entire marine ecosystem. By protecting sharks, we are not just saving individual species; we are investing in the health and sustainability of our entire ocean. Join us in this crucial mission—educate, advocate, and participate. Together, we can turn the tide for sharks and secure a vibrant future for our blue planet.
BioDB
BioDB is a new, non-profit website that serves as a dynamic hub for wildlife conservation enthusiasts while advocating for protecting our planet’s invaluable biodiversity. With a primary goal of raising awareness and mobilizing funds for selected non-governmental organizations (NGOs) dedicated to wildlife conservation, BioDB offers a comprehensive platform for individuals and organizations passionate about positively impacting our natural world. https://biodb.com/
Editor’s note: The author asks if that is a good thing. The short answer is no. For the same reason, agriculture is bad for the land, aquaculture is bad for the ocean. It is because humans have overcaught wild fish and depleted their numbers that people have more and more gone to aquaculture. There are now just too many human mouths to feed and not enough fish in the oceans.
Both aquaculture and fisheries have environmental and climate impacts — and they overlap more than you’d think
A new report from the United Nations’ Food and Agriculture Organization, or FAO, has found that more fish were farmed worldwide in 2022 than harvested from the wild, an apparent first.
Last week, the FAO released its annual report on the state of aquaculture — which refers to the farming of both seafood and aquatic plants — and fisheries around the world. The organization found that global production from both aquaculture and fisheries reached a new high — 223.3 million metric tons of animals and plants — in 2022. Of that, 185.4 million metric tons were aquatic animals, and 37.8 million metric tons were algae. Aquaculture was responsible for 51 percent of aquatic animal production in 2022, or 94.4 metric tons.
The milestone was in many ways an expected one, given the world’s insatiable appetite for seafood. Since 1961, consumption of seafood has grown at twice the annual rate of the global population, according to the FAO. Because production levels from fisheries are not expected to change significantly in the future, meeting the growing global demand for seafood almost certainly necessitates an increase in aquaculture.
Though fishery production levels fluctuate from year to year, “it’s not like there’s new fisheries out there waiting to be discovered,” said Dave Martin, program director for Sustainable Fisheries Partnerships, an international organization that works to reduce the environmental impact of seafood supply chains. “So any growth in consumption of seafood is going to come from aquaculture.”
But the rise of aquaculture underscores the need to transform seafood systems to minimize their impact on the planet. Both aquaculture and fisheries — sometimes referred to as capture fisheries, as they involve the capture of wild seafood — come with significant environmental and climate considerations. What’s more, the two systems often depend on each other, making it difficult to isolate their climate impacts.
“There’s a lot of overlap between fisheries and aquaculture that the average consumer may not see,” said Dave Love, a research professor at the Center for a Livable Future at Johns Hopkins University.
Studies have shown that the best diet for the planet is one free of animal protein. Still, seafood generally has much lower greenhouse gas emissions than other forms of protein from land-based animals. And given many people’s unwillingness or inability to go vegan, the FAO recommends transforming, adapting, and expanding sustainable seafood production to feed the world’s growing population and improve food security.
But “there’s a lot of ways to do aquaculture well, and there’s a lot of ways to do it poorly,” said Martin. Aquaculture can result in nitrogen and phosphorus being released into the natural environment, damaging aquatic ecosystems. Farmed fish can also spread disease to wild populations, or escape from their confines and breed with other species, resulting in genetic pollution that can disrupt the fitness of a wild population. Martin points to the diesel fuel used to power equipment on certain fish farms as a major source of aquaculture’s environmental impact. According to an analysis from the climate solutions nonprofit Project Drawdown, swapping out fossil fuel-based generators on fish farms for renewable-powered hybrids would prevent 500 million to 780 million metric tons of carbon emissions by 2050.
Other areas for improvement will vary depending on the specific species being farmed. In 2012, a U.N. study found that mangrove forests — a major carbon sink — have suffered greatly due to the development of shrimp and fish farming. Today, industry stakeholders have been exploring how new approaches and techniques from shrimp farmers can help restore mangroves.
Meanwhile, wild fishing operations present their own environmental problems. For example, poorly managed fisheries can harvest fish more quickly than wild populations can breed, a phenomenon known as overfishing. Certain destructive wild fishing techniques also kill a lot of non-targeted species, known as bycatch, threatening marine biodiversity.
But the line between aquaculture and fish harvested from the wild isn’t as clear as it may seem. For example, pink salmon that are raised in hatcheries and then released into the wild to feed, mature, and ultimately be caught again are often marketed as “wild caught.” Lobsters, caught wild in Maine, are often fed bait by fisherman to help them put on weight. “It’s a wild fishery,” said Love — but the lobster fishermen’s practice of fattening up their catch shows how human intervention is present even in wild-caught operations.
On the flipside, in a majority of aquaculture systems, farmers provide their fish with feed. That feed sometimes includes fish meal, says Love, a powder that comes from two sources: seafood processing waste (think: fish guts and tails) and wild-caught fish.
All of this can result in a confusing landscape for climate- or environmentally-conscientious consumers who eat fish. But Love recommends a few ways in which consumers can navigate choice when shopping for seafood. Buying fresh fish locally helps shorten supply chains, which can lower the carbon impact of eating aquatic animals. “In our work, we’ve found that the big impact from transport is shipping fresh seafood internationally by air,” he said. Most farmed salmon, for example, sold in the U.S. is flown in.
From both a climate and a nutritional standpoint, smaller fish and sea vegetables are also both good options. “Mussels, clams, oysters, seaweed — they’re all loaded with macronutrients and minerals in different ways” compared to fin fish, said Love.
Burning wood to generate electricity — “biomass energy” — is increasingly being pursued as a renewable replacement for burning coal in nations like the U.K., Japan, and South Korea — even though its emissions aren’t carbon neutral in practice.
On this episode of the Mongabay Newscast, reporter Justin Catanoso speaks with Rachel Donald about the single largest emitter of CO2 in the U.K., biomass firm Drax, which is trying to open two wood pellet plants in the state of California.
Catanoso explains how years of investigation helped him uncover a complicated web of public relations messaging that obscures the fact that replanting trees after cutting them down and burning them is not in practice carbon neutral or renewable and severely harms global biodiversity and forests.
“When those trees get ripped out, that carbon gets released. And that comes before we process this wood and ship it … then we burn it and don’t count those emissions. This is just [an] imponderable policy,” he says on this episode.
Justin Catanoso is no stranger to wood pellet plants, as he lives near four of them in the U.S. state of North Carolina, where biomass giant Enviva has several facilities. While that company filed for Chapter 11 bankruptcy this year, it remains the single largest producer of wood pellets globally.
This firm is one of several (alongside Drax in the U.K.) seeking to expand its global stake in the shift to renewable energy — a category of energy generation that industry and regulators insist burning biomass belongs in. However, a recent analysis shows it’s not renewable and adds more carbon to the atmosphere than coal and gas. But due to complicated language in the Kyoto Protocol treaty that extended the 1992 United Nations Framework Convention on Climate Change, several nations and the European Union still allow the burning of wood pellets to be counted as such, and thus made eligible for subsidies, too. This is a tremendous problem for global efforts to slow the biodiversity and climate crises, Catanoso says.
“In my area of North Carolina, which is the mid-Atlantic, we will have the climate of northern Florida in about 15 years. That’s how fast our climate is changing here,” Catanoso says. “It’s upon us, and we are not pulling the levers fast enough. To slow this down and cutting down trees, calling it carbon neutral … that’s just one of those loopholes that is just completely man-made.”
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Rachel Donald is a climate corruption reporter and the creator of Planet: Critical, the podcast and newsletter for a world in crisis. Her latest thoughts can be found at 𝕏 via @CrisisReports and at Bluesky via @racheldonald.bsky.social.
Mike DiGirolamo is a host & associate producer for Mongabay based in Sydney. He co-hosts and edits the Mongabay Newscast. Find him on LinkedIn, Bluesky and Instagram.