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Forest Service orders Arrowhead bottled water company to shut down California pipeline

News Feed
Wednesday, August 7, 2024

In a decision that could end a years-long battle over commercial extraction of water from public lands, the U.S. Forest Service has ordered the company that sells Arrowhead bottled water to shut down its pipeline that collects water from springs in the San Bernardino Mountains. The Forest Service notified BlueTriton Brands in a letter last month, saying its application for a new permit has been denied.District Ranger Michael Nobles wrote in the July 26 letter that the company “must cease operations” in the San Bernardino National Forest and submit a plan for removing all its pipes and equipment from federal land.The company has challenged the denial in court.Environmental activists praised the decision.“It’s a huge victory after 10 years,” said Amanda Frye, an activist who has campaigned against the taking of water from the forest. “I’m hoping that we can restore Strawberry Creek, have its springs flowing again, and get the habitat back.”She and other opponents say BlueTriton‘s operation has dramatically reduced creek flow and is causing significant environmental harm.The Forest Service announced the decision one month after a local environmental group, Save Our Forest Assn., filed a lawsuit arguing the agency was illegally allowing the company to continue operating under a permit that was past its expiration date.The company has denied that its use of water is harming the environment and has argued it should be allowed to continue piping water from the national forest.BlueTriton Brands and its predecessors “have continuously operated under a series of special use permits for nearly a century,” the company said in an email.“This denial has no legal merit, is unsupported by the facts, and negatively impacts the San Manuel Band of Mission Indians,” the company said, adding that the tribe uses a portion of the water that passes through the pipeline and relies on that water for firefighting needs.Representatives of the tribe did not respond to a request for comment.If the Forest Service decision stands, it would prevent the company from using the namesake source of its brand, Arrowhead 100% Mountain Spring Water.The springs in the mountains north of San Bernardino, which have been a source for bottled water for generations, are named after an arrowhead-shaped natural rock formation on the mountainside.State officials have said that the first facilities to divert water in the Strawberry Creek watershed were built in 1929, and the system expanded over the years as additional boreholes were drilled into the mountainside.At the base of the mountain and near the company’s water pipeline stands the long-closed Arrowhead Springs hotel property, which the San Manuel tribe bought in 2016. The company has said that under a decades-old agreement, a portion of the water that flows through the 4.5-mile pipeline goes to the Arrowhead Springs property, and a portion of the water is delivered to a roadside tank and hauled on trucks to a bottling plant.The Forest Service has been charging a permit fee of $2,500 per year. There has been no charge for the water.Controversy over the issue erupted when the Desert Sun reported in 2015 that the Forest Service was allowing Nestlé to siphon water using a permit that listed 1988 as the expiration date.The Forest Service then began a review of the permit, and in 2018 granted a new permit for up to five years. The revelations about Nestlé piping water from the forest sparked an outpouring of opposition and prompted several complaints to California regulators questioning the company’s water rights claims, which led to a lengthy investigation by state water regulators.BlueTriton Brands took over the bottled water business in 2021 when Nestlé’s North American bottled water division was purchased by private-equity firm One Rock Capital Partners and investment firm Metropoulos & Co. (Last month, BlueTriton and Primo Water Corp. announced plans to merge and form a new company.)State officials determined last year that the company has been unlawfully diverting much of the water without valid water rights — agreeing with Frye and others, who had questioned the company’s claims and presented historical documents. The State Water Resources Control Board voted to order the company to halt its “unauthorized diversions” of water. But BlueTriton Brands sued to challenge that decision, arguing the process was rife with problems.In the July Forest Service letter, Nobles said the company was repeatedly asked to provide “additional information necessary to assure compliance with BlueTriton’s existing permit” but that the requests were “consistently left unanswered.”Nobles said that under the regulations, he may consider whether the water used exceeds the “needs of forest resources.”He also said that while the company had said in its application that the water would go for bottled water, its reports showed that 94% to 98% of the amount of water diverted monthly was delivered to the old hotel property for “undisclosed purposes,” and that “for months BlueTriton has indicated it has bottled none of the water taken,” while also significantly increasing the volumes extracted.“This increase represents significantly more water than has ever been delivered previously,” Nobles wrote. “The hotel and conference facility on the property is not operating, and there is no explanation of where the millions of gallons of water per month are going.”He said the decision is final and cannot be appealed.Nobles ordered the company to “stop use of the BlueTriton pipeline” within seven days “by severing or blocking the pipe at each tunnel or borehole” at a dozen sites; to remove the locks on its equipment; and to submit a plan within three months for removing all of its infrastructure.Forest Service officials did not respond to an email requesting comments about the decision.BlueTriton’s spokesperson said the Forest Service has agreed to a “temporary 30-day stay for the sole purpose of supplying the needs of the San Manuel Band of Mission Indians, including for fire prevention.”“We will continue to operate in compliance with all state and federal laws while we explore legal and regulatory options,” the spokesperson said.The company argues in the lawsuit that the Forest Service has violated federal law with a decision that is “arbitrary and capricious.”BlueTriton said studies by its scientific consultants have found that the taking of water “has not negatively affected the Strawberry Canyon environment.”Records show about 319 acre-feet, or 104 million gallons, flowed through the company’s pipes in 2023.In the rugged canyon downhill from the springs, Strawberry Creek has continued flowing in recent years. But when Frye has hiked along the creek, she has found that its western fork, located downhill from the boreholes, is just a trickle, forming a series of puddles among the bushes and trees.“Our goal was to get that water back in the creek and protect the forest,” Frye said. “The proof will be when the pipes and all that infrastructure is taken out and it’s restored. But I think we’re nearing the end.”

The Forest Service told bottled water company BlueTriton Brands to stop piping water out of a California national forest. The company is suing to challenge the decision.

In a decision that could end a years-long battle over commercial extraction of water from public lands, the U.S. Forest Service has ordered the company that sells Arrowhead bottled water to shut down its pipeline that collects water from springs in the San Bernardino Mountains.

The Forest Service notified BlueTriton Brands in a letter last month, saying its application for a new permit has been denied.

District Ranger Michael Nobles wrote in the July 26 letter that the company “must cease operations” in the San Bernardino National Forest and submit a plan for removing all its pipes and equipment from federal land.

The company has challenged the denial in court.

Environmental activists praised the decision.

“It’s a huge victory after 10 years,” said Amanda Frye, an activist who has campaigned against the taking of water from the forest. “I’m hoping that we can restore Strawberry Creek, have its springs flowing again, and get the habitat back.”

She and other opponents say BlueTriton‘s operation has dramatically reduced creek flow and is causing significant environmental harm.

The Forest Service announced the decision one month after a local environmental group, Save Our Forest Assn., filed a lawsuit arguing the agency was illegally allowing the company to continue operating under a permit that was past its expiration date.

The company has denied that its use of water is harming the environment and has argued it should be allowed to continue piping water from the national forest.

BlueTriton Brands and its predecessors “have continuously operated under a series of special use permits for nearly a century,” the company said in an email.

“This denial has no legal merit, is unsupported by the facts, and negatively impacts the San Manuel Band of Mission Indians,” the company said, adding that the tribe uses a portion of the water that passes through the pipeline and relies on that water for firefighting needs.

Representatives of the tribe did not respond to a request for comment.

If the Forest Service decision stands, it would prevent the company from using the namesake source of its brand, Arrowhead 100% Mountain Spring Water.

The springs in the mountains north of San Bernardino, which have been a source for bottled water for generations, are named after an arrowhead-shaped natural rock formation on the mountainside.

State officials have said that the first facilities to divert water in the Strawberry Creek watershed were built in 1929, and the system expanded over the years as additional boreholes were drilled into the mountainside.

At the base of the mountain and near the company’s water pipeline stands the long-closed Arrowhead Springs hotel property, which the San Manuel tribe bought in 2016. The company has said that under a decades-old agreement, a portion of the water that flows through the 4.5-mile pipeline goes to the Arrowhead Springs property, and a portion of the water is delivered to a roadside tank and hauled on trucks to a bottling plant.

The Forest Service has been charging a permit fee of $2,500 per year. There has been no charge for the water.

Controversy over the issue erupted when the Desert Sun reported in 2015 that the Forest Service was allowing Nestlé to siphon water using a permit that listed 1988 as the expiration date.

The Forest Service then began a review of the permit, and in 2018 granted a new permit for up to five years. The revelations about Nestlé piping water from the forest sparked an outpouring of opposition and prompted several complaints to California regulators questioning the company’s water rights claims, which led to a lengthy investigation by state water regulators.

BlueTriton Brands took over the bottled water business in 2021 when Nestlé’s North American bottled water division was purchased by private-equity firm One Rock Capital Partners and investment firm Metropoulos & Co. (Last month, BlueTriton and Primo Water Corp. announced plans to merge and form a new company.)

State officials determined last year that the company has been unlawfully diverting much of the water without valid water rights — agreeing with Frye and others, who had questioned the company’s claims and presented historical documents. The State Water Resources Control Board voted to order the company to halt its “unauthorized diversions” of water. But BlueTriton Brands sued to challenge that decision, arguing the process was rife with problems.

In the July Forest Service letter, Nobles said the company was repeatedly asked to provide “additional information necessary to assure compliance with BlueTriton’s existing permit” but that the requests were “consistently left unanswered.”

Nobles said that under the regulations, he may consider whether the water used exceeds the “needs of forest resources.”

He also said that while the company had said in its application that the water would go for bottled water, its reports showed that 94% to 98% of the amount of water diverted monthly was delivered to the old hotel property for “undisclosed purposes,” and that “for months BlueTriton has indicated it has bottled none of the water taken,” while also significantly increasing the volumes extracted.

“This increase represents significantly more water than has ever been delivered previously,” Nobles wrote. “The hotel and conference facility on the property is not operating, and there is no explanation of where the millions of gallons of water per month are going.”

He said the decision is final and cannot be appealed.

Nobles ordered the company to “stop use of the BlueTriton pipeline” within seven days “by severing or blocking the pipe at each tunnel or borehole” at a dozen sites; to remove the locks on its equipment; and to submit a plan within three months for removing all of its infrastructure.

Forest Service officials did not respond to an email requesting comments about the decision.

BlueTriton’s spokesperson said the Forest Service has agreed to a “temporary 30-day stay for the sole purpose of supplying the needs of the San Manuel Band of Mission Indians, including for fire prevention.”

“We will continue to operate in compliance with all state and federal laws while we explore legal and regulatory options,” the spokesperson said.

The company argues in the lawsuit that the Forest Service has violated federal law with a decision that is “arbitrary and capricious.”

BlueTriton said studies by its scientific consultants have found that the taking of water “has not negatively affected the Strawberry Canyon environment.”

Records show about 319 acre-feet, or 104 million gallons, flowed through the company’s pipes in 2023.

In the rugged canyon downhill from the springs, Strawberry Creek has continued flowing in recent years. But when Frye has hiked along the creek, she has found that its western fork, located downhill from the boreholes, is just a trickle, forming a series of puddles among the bushes and trees.

“Our goal was to get that water back in the creek and protect the forest,” Frye said. “The proof will be when the pipes and all that infrastructure is taken out and it’s restored. But I think we’re nearing the end.”

Read the full story here.
Photos courtesy of

European Parliament Supports Year-Long Deforestation Law Delay

BRUSSELS (Reuters) -The European Parliament on Wednesday voted in favour of delaying the implementation of the European Union's deforestation law...

BRUSSELS (Reuters) -The European Parliament on Wednesday voted in favour of delaying the implementation of the European Union's deforestation law by one year.Companies will have an additional year to comply with new EU rules to prevent deforestation, the European Parliament said in a statement.Large operators and traders must respect the obligations of this regulation as of December 30, 2026, and micro and small enterprises from June 30, 2027.The ban on imports of cocoa, palm oil and other commodities linked to forest destruction is a key pillar in the EU's green agenda.The world-first policy aims to end the 10% of global deforestation fuelled by EU consumption of imported soy, beef, palm oil and other products, but has become a politically contested part of Europe's green agenda.But it faces pushback from some industries and countries that say the measures are costly and logistically challenging.Critics have previously warned of environmental setbacks.Food majors such as Nestle, Ferrero and Olam Agri back the law. They warned last month that delaying it endangers forests worldwide and is contrary to the EU's aim of simplifying business rules.Advocacy group Business For Nature called the delay "a profound failure of political courage".(Reporting by Charlotte Van Campenhout, editing by Bart Meijer and Ed Osmond)Copyright 2025 Thomson Reuters.

Two College Students Are Building a Robot to Replant Burned Forests

Marta Bernardino and Sebastião Mendonça invented Trovador, a six-legged, A.I.-powered robot that can plant trees in hard-to-reach, wildfire-damaged terrain

Two College Students Are Building a Robot to Replant Burned Forests Marta Bernardino and Sebastião Mendonça invented Trovador, a six-legged, A.I.-powered robot that can plant trees in hard-to-reach, wildfire-damaged terrain Nineteen-year-olds Marta Bernardino and Sebastião Mendonça are developing a robot capable of reaching and reforesting areas where humans have been unable to. Trovador For 19-year-olds Marta Bernardino and Sebastião Mendonça, the forest was the intimate, untamed backdrop of their childhood. “It was a living playground where we built worlds, a sanctuary where the concepts of ‘importance’ were felt instinctively rather than taught,” says Bernardino. As children growing up near Lisbon, the two always believed that the forest would remain a constant in their lives. But with each year, they watched as fires ravaged the forests not far from their homes, leaving behind scorched gray hillsides. Desperate to revive these forests, the two then-high school students set out to create Trovador—a robot capable of reaching and reforesting areas where humans have been unable to. The state of Portugal’s forests A 2024 study by Carlos C. DaCamara, an atmospheric scientist at the University of Lisbon, revealed that between 1980 to 2023, over 1.2 million acres burned in wildfires across mainland Portugal, equivalent to 54 percent of its territory. In 2017, the country recorded 32,000 acres of tree cover loss, with wildfire accounting for 75 percent of that destruction, the highest in a year to date. Moreover, Portugal is the southern European nation most affected by wildfires, based on the scale of burned areas and the sharp rise in recent wildfires. To begin their project, Bernardino and Mendonça set out to understand the current methods used for reforestation and the reasons behind the forests’ slow recovery. “The initial, passive hope that nature would heal itself was shattered when we learned the soil was too damaged and the fires too frequent for recovery,” Bernardino adds. Though volunteers and community members strived to revive the burned forests, it was physically impossible to reach the most vulnerable parts, which happened to be on steep, treacherous slopes. “The defining moment came,” Bernardino says, “when a project leader articulated the brutal truth: the terrain itself was the enemy, making manual replanting a dangerous and often impossible task.” She continues, “The inspiration was no longer a feeling of loss, but a cleareyed recognition of a flawed system. We saw that existing solutions—from volunteer planting to drone seed-dropping—were failing to meet the scale and complexity of the problem.” Quick facts: The impact of climate change on wildfires Between 2003 and 2023, extreme wildfire activity worldwide increased by 2.2-fold. Wildfire seasons are lengthening too, starting earlier in the spring and lasting longer into the fall. Over 60 percent of forests in Portugal lie on steep, rugged terrain, where planting is unsafe and labor is scarce, Bernardino explains. Tractors can’t handle slopes, and they compact the soil. Using heavy vehicles for reforesting can disturb the oxygen and water supply to plants and soil microorganisms. Such disturbances can cause substantial damage to the soil systems, which in certain cases can be long-lasting and even irreversible, harming the productivity of the forest and the overall functionality of the ecosystem. Drone-based aerial seeding is one viable alternative highly considered today for reforestation. However, the technique has its own challenges. While it’s competent in precision identification of suitable locations for reforestation, the method typically uses thousands of seeds per acre (at least 4,000) for blanket seedings, making it less economical. “Drones, while flexible, scatter seeds with low precision—wasting one of the most scarce natural resources,” Bernardino adds. One pilot project focusing on certain conifer species found their survival rate when dropped from drones fell between 0 and 20 percent. “Since the early 2000s, Portugal has lost over half of its forest cover, triggering erosion, water loss and biodiversity collapse,” Bernardino explains. “This crisis hits rural communities hardest: places like Fundão and Alentejo, where forests provide food, water, income and cultural identity. As ecosystems vanish, so do livelihoods.” And the rapid loss of forest cover isn’t limited to Portugal—it extends around the globe. Recent data from the University of Maryland’s Global Land Analysis & Discovery (GLAD) lab, reported in the World Resources Institute’s “Global Forest Review,” found that an unprecedented 16.6 million acres of primary rainforest was lost in the tropics in 2024. Researchers at the GLAD lab estimate that tropical primary forests vanished at an accelerated pace of 18 soccer fields every minute last year. The loss—largely caused by massive forest fires—is almost double that of 2023. “The problem itself became our blueprint,” recounts Bernardino, “and we dedicated ourselves to creating a solution that embraced all the constraints: steep terrain, high survival rates and autonomy.” A firefighter tackles the flames next to a road as vegetation burns during a wildfire in Vila Real, Portugal, this past August. David Oliveira/Anadolu via Getty Images Designing a solution In 2023, Bernardino and Mendonça set out to create Trovador—a six-legged robot able to walk on rugged slopes and plant trees. Their first €15 ($17) prototype, built from recycled parts, planted 28 percent faster than humans with a 90 percent survival rate. The saplings also thrived without any post-planting care. The two are currently working to improve the efficiency of the robot and hope that their current prototype is able to handle longer operations on steeper terrains. “We build all-terrain robots that carry baby trees on their backs and plant them autonomously across difficult terrain,” says Bernardino. The innovators didn’t expect the wave of interest that followed their initial prototype. As a top finalist for National Geographic’s 2024 Slingshot Challenge, they won a grant of $10,000, and the invention was also featured in the magazine as one of the world’s most promising youth-led climate solutions. “On the tech side, the robotics world took notice, too—we became the youngest ever to receive Europe’s top award for Robotics for Sustainability,” says Bernardino. The hexapod robot is capable of climbing slopes of up to 45 degrees while detecting and simultaneously avoiding any boulders in its way. Trovador is also equipped to carry and plant up to 200 saplings per hour. Unlike a tractor, it barely makes an indent on the ground thanks to its light movement, preserving pore space for air and water in the soil. A depth camera attached to it maps any obstacles and allows it to slightly adapt its trajectory in real time. It also uses artificial intelligence and sensors to analyze the pH and humidity of the soil, after which Trovador will follow a three-step dig-place-tamp sequence to plant rooted saplings instead of seeds. “The sequence is validated to hit up to 85 to 90 percent survival in field trials and literature,” says Bernardino. With built-in sensors, Trovador uploads real-time data like GPS coordinates of each plant, soil humidity and battery life to a cloud, allowing the team to monitor the robot remotely. Moreover, during future soil analysis, the robot will be trained to skip the dry ground and steer planting to micro-niches with better odds. Bringing a viable product to market Miguel Jerónimo, a landscape architect and coordinator of Renature projects at the Group for Studies on Spatial Planning and the Environment, an independent environmental organization in Portugal, is optimistic about the tool. “Trovador appears to be an innovative project with potential, particularly as it was developed by two young students who turned a low-cost prototype into a possible approach to one of Portugal’s environmental challenges,” says Jerónimo. “The concept of a six-legged robot designed to move across steep slopes and dense vegetation offers a practical framework for reforestation in areas that are unsafe or difficult for people to access.” While Jerónimo is hopeful about the success of Trovador, he’s equally apprehensive about the robot’s durability in the actual field. “Moving from an experimental prototype to a reliable field-ready tool will require robust testing to ensure it can handle the rough, humid and heavily vegetated conditions typical of Portuguese forests,” he says. “Operational endurance, mobility in dense vegetation and ease of maintenance are areas that need further exploration before the system can be considered ready for broad use.” Additionally, the price tag on the tool also needs to be taken into account. “Keeping production costs low will be essential,” the landscape architect points out. “The robot must be affordable if it is to become a useful and accessible instrument in large-scale reforestation efforts rather than a one-off innovation.” However, Bernardino and Mendonça already have some ideas on how to make it affordable. Instead of selling the Trovador robot itself, the team plans to first market it as a platform that they operate as a service, selling “trees-in-the-ground.” By 2026, they hope to make the robot robust and user-friendly enough to deploy it in large-scale plantations. “Clients [like] municipalities, insurers, forestry firms or NGOs can open our app, outline a polygon, choose native species and receive a quote,” Bernardino elaborates. “Pricing is expected to be a big step up from the current methods, up to six times cheaper than manual crews and four times more cost‑effective than drones once seed wastage is factored in.” The innovators are narrowing in on a minimum viable product. For the next few months, the Trovador team intends to improve the tool based on feedback they received after field testing it in Lisbon this past summer. Both Bernardino and Mendonça’s hopes and ambitions remain high. With the robot, they aspire to make “reforestation that is fast, precise, audit-ready and scalable to the millions of hectares climate models say we must restore this decade,” says Bernardino. Get the latest stories in your inbox every weekday.

Iran Battles Fire in UNESCO-Listed Forest, Gets Turkey's Help

DUBAI (Reuters) -Iran has sought help to fight a devastating fire in UNESCO-listed forests in its north, with neighbouring Turkey sending...

DUBAI (Reuters) -Iran has sought help to fight a devastating fire in UNESCO-listed forests in its north, with neighbouring Turkey sending firefighting planes, Iran's top environmental official said on Saturday.The fire threatens the Hyrcanian forests, which stretch along the southern Caspian Sea coast and date back 50 million years. They are home to 3,200 plant species - a "floral biodiversity ... remarkable at the global level", according to UNESCO, which listed them as a World Heritage site in 2019."Two firefighting aircraft (and) one helicopter ... are being dispatched by the Turkish government today. There is also the capacity to have cooperation from Russia if needed," Vice-President Shina Ansari told state television.Two Iranian Ilyushin firefighting aircraft, seven helicopters and about 400 firefighters are battling the blaze, which follows a drought marked by rain levels across Iran at 85% below average. The fire reignited last Saturday following media reports that it was put out after breaking out in late October.Meanwhile, the head of a provincial nature protection unit said unauthorised hunters may have started the blaze and Reza Aflatouni, the head of Iran's forestry body, suggested that the fire may be linked to illegal efforts to destroy forested areas in order to build private residences, according to Iranian media reports.(Reporting by Dubai newsroomEditing by Mark Potter)Copyright 2025 Thomson Reuters.Photos You Should See – Nov. 2025

The Congo basin may be the world’s most important rainforest – why is it the least researched?

It is the second-largest tropical forest on Earth, and one of the most vital carbon sinks, but is losing out when it comes to climate policy and fundingIn October 2023, leaders, scientists and policymakers from three of the world’s great rainforest regions – the Amazon, the Congo, and the Borneo-Mekong basins – assembled in Brazzaville, capital of the Republic of Congo. They were there to discuss one urgent question: how to save the planet’s last great tropical forests from accelerating destruction.For those present, the question was existential. But to their dismay, almost no one noticed. “There was very little acknowledgment that this was happening, outside of the Congo basin region,” says Prof Simon Lewis, a lecturer at the University of Leeds and University College London, and co-chair of the Congo Basin Science Initiative (CBSI). Continue reading...

In October 2023, leaders, scientists and policymakers from three of the world’s great rainforest regions – the Amazon, the Congo, and the Borneo-Mekong basins – assembled in Brazzaville, capital of the Republic of Congo. They were there to discuss one urgent question: how to save the planet’s last great tropical forests from accelerating destruction.For those present, the question was existential. But to their dismay, almost no one noticed. “There was very little acknowledgment that this was happening, outside of the Congo basin region,” says Prof Simon Lewis, a lecturer at the University of Leeds and University College London, and co-chair of the Congo Basin Science Initiative (CBSI).“It didn’t really fly as a conference or a set of policy proposals to better invest in that region of the world.”The people of the Congo basin have tightened their belts so that the world can breathe – and we receive no compensationDespite being the second-largest rainforest on Earth – and one of the most vital carbon sinks – the Congo basin remains the rainforest the world forgot, often overlooked when it comes to global climate policy and funding.Spanning six countries across central Africa and home to roughly 130 million people, the basin is often called the “lungs of Africa”. Its vast canopy shelters thousands of rare species.“It has about 10,000 plant species and 30% of these can only be found in the region,” says Dr Yadvinder Malhi, a leading ecologist at Oxford University. Unlike the Amazon, the Congo’s forests remain largely intact – home to endangered animals such as forest elephants, okapis, mountain gorillas and bonobos.Its significance extends far beyond its borders. The basin’s rainfall feeds main river systems across the continent, sustaining life as far away as the Sahel.A forest elephant in the Lekoli River, Republic of the Congo. Rainfall in the Congo basin feeds river systems across Africa. Photograph: Education Images/Universal Images/Getty“Africa is largely an arid continent,” says Malhi. “This fountain of water in the heart of the continent circulates and [also] ends up feeding into the Nile. That sustains the lives of millions of people.”Crucially, while encroachments of logging and mining are increasing, much of the forest remains untouched. As a result, the Congo basin is believed to be the last big rainforest to remain a strong carbon sink – with enough trees left to absorb more carbon than it emits.Logging is rising but much rainforest remains untouched. Photograph: Alamy“It’s what we believe,” says Lewis. “But we are lacking recent data to see if that is still the case. We know carbon-absorption rates have declined in the Amazon in the last decade or so, but we’re not sure what’s happening in the Congo now.”In a report released on Monday, as the Cop30 climate conference began in Belém, the Science Panel for the Congo Basin found that the Congo basin absorbs 600m tonnes of carbon dioxide a year, but this number is falling due to accelerating deforestation. Prof Bonaventure Sonké, co-chair of the panel, said the researchers hoped it would bring international attention and support for “the Earth’s most important but least-studied tropical rain forest”.While scientists agree on the Congo basin’s critical importance, it continues to be funded at a far lower rate than its counterparts. A report published earlier this year by the Centre for International Forestry Research and World Agroforestry (CIFOR-ICRAF) revealed the scale of the financial imbalance. Between 2008 and 2022, the world’s three main rainforest regions received a combined total of $20bn (£15bn) in international funding. Of that, $9.3bn (47%) went to the Amazon basin, $7.4bn (37%) to south-east Asia, and only $3.2bn (16%) to the Congo basin.Germany was the leading donor for central Africa during this period, providing 24% of total funding, followed by the Global Environment Fund (12%), the World Bank (9.4%), and the US (8.8%). Most of the money (30%) went towards biodiversity protection, with another 27% supporting environmental policy. Yet funding for scientific research accounted for just 0.1%.“The basin countries don’t prioritise research,” says Dr Richard Sufo Kankeu, a lecturer at the University of Le Mans and one of the report’s authors.Loango national park in Gabon, which forms part of the Congo basin, the world’s second-largest rainforest. Photograph: Lee Dalton/AlamyThe result is a wide gap in scientific understanding. A 2023 study examining relative levels of climate and biodiversity research on different rainforests found about 2,000 published academic papers for the Congo basin, compared with 10,611 for the Amazon.“You’ve got this critical ecosystem, but there just aren’t enough local scientists working to understand it,” says Lee White, an honorary professor at the University of Stirling and former environment minister in Gabon.White and Lewis have recommended that Congo basin countries aim to train at least 1,000 PhD-level scientists over the next decade to strengthen regional expertise. But better funding is also needed now.“We don’t want to wait 10 years,” says Raphael Tshimanga, a professor of hydrology and water at the University of Kinshasa, and a member of CBSI. “It needs to start happening now. How does this happen? By mobilising human resources and attracting funding. We don’t just want nice speeches at summits.”Part of the reason for the lack of resources lies in an enduring perception of the region as Joseph Conrad’s “‘heart of darkness’”, says White. “Central Africa has this reputation as a place of corruption and instability.”The canopy in Republic of the Congo’s Odzala-Kokoua park. Photograph: Danita Delimont/AlamyCorruption is a significant concern in the region, particularly in the Democratic Republic of the Congo (DRC) – however, it can also be wielded as an easy excuse for lack of investment.The Republic of Congo’s environment minister, Arlette Soudan-Nonault, describes that view as “the tree that hides the forest”, adding: “It’s very easy and lazy to say that Africans are corrupt.”Beyond reputation, there are obstacles such as security, infrastructure and capacity. The DRC, which contains about 60% of the basin’s rainforest, has endured intermittent conflict for more than three decades.“It’s not just an issue of instability,” Soudan-Nonault says. “We need to look at ways of creating sustainable economic growth.”While the Congo basin is often seen as humanity’s last line of defence against human-made climate breakdown, deforestation in the region has begun to rise. “It is the last frontier of climate change,” the minister says. “Supporting the Congo basin is not charity. It’s about recognising its role in protecting the Earth through its carbon sink.“The people of the Congo basin have tightened their belts so that the world can breathe – and we receive no compensation.”Find more age of extinction coverage here, and follow the biodiversity reporters Phoebe Weston and Patrick Greenfield in the Guardian app for more nature coverage

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