The U.S. Department of Commerce will start annual administrative reviews of existing antidumping and countervailing duty measures on key wood imports on March 9, 2026, and it plans to issue final results by January 31, 2027, the department said in a notice. The reviews cover Canadian softwood lumber under the antidumping order A-122-857 and the countervailing duty order C-122-858 for January 1, 2025, through December 31, 2025. They also cover Chinese certain hardwood plywood products under antidumping order A-570-051 for January 1, 2025, through December 31, 2025, and Chinese wooden bedroom furniture under antidumping order A-570-890 for January 1, 2025, through December 31, 2025. Commerce said it may limit the number of companies examined and then select respondents using U.S. import data or quantity-and-value questionnaires. It said it intends to place the data or questionnaires on the record within five days after publication of the initiation notice and make respondent selection decisions within 35 days after publication.
US President Trump’s administration on Wednesday launched a trade investigation into excess industrial capacity in 16 major trading partners in a move to rebuild tariff pressure after the U.S. Supreme Court tore down the centerpiece of Trump’s trade policy last month. Canada is not named as one of the targets of the new probe. US Trade Representative Jamieson Greer said the Section 301 unfair trade practices investigation could lead to new tariffs imposed against China, the European Union, India, Japan, Mexico and South Korea by this summer. Other trading partners subject to the excess capacity probe include Taiwan, Vietnam, Thailand, Malaysia, Cambodia, Singapore, Indonesia, Bangladesh, Switzerland and Norway. Trump and his team have made clear they’re seeking to replace the hundreds of billions of dollars in lost revenues after the Supreme Court’s February ruling. In this case, the administration is starting investigations under Section 301 of the Trade Act.
Fiber and glass are among the packaging substrates hardest hit by February closure and layoff announcements. Here are the North American facilities that have announced downsizing efforts:
The escalating crisis in the Middle East could extend transport times for Finnish forest industry products to Asia by several weeks. At the same time, freight costs may rise, and container availability could become increasingly uncertain. Iran has announced the closure of the Strait of Hormuz. According to international reporting, several major shipping lines have also paused or reduced traffic through the Suez Canal, redirecting vessels around Africa via the Cape of Good Hope on routes to Asia. The Strait of Hormuz is a critical artery for global oil trade, and disruptions there primarily push up energy prices. For Finland’s forest industry, however, access through the Suez Canal is more directly decisive. Approximately 20 percent of the forest industry’s exports go to Asia, and the majority of those shipments pass through the Suez Canal, says Maarit Lindström, Director and Chief Economist at Metsäteollisuus ry. 
The US Department of Commerce preliminarily determined that hardwood and decorative plywood from China was sold in the US at less than fair value during the period Oct. 1, 2024, through March 31, 2025, and it also made a preliminary affirmative determination of critical circumstances. Starting March 2, 2026, the publication date of the Commerce Department notice in the Federal Register, US Customs and Border Protection will begin suspending liquidation and collecting cash deposits on covered entries at the applicable rates. The notice sets an estimated weighted-average dumping margin of 187.27% for the China-wide entity and an adjusted cash-deposit rate of 185.96% for the listed producer-exporter combinations as well as for the China-wide entity. …Commerce said it plans to issue its final determination by May 10, 2026, within 75 days of the preliminary decision’s Feb. 24 signature date, after which the US International Trade Commission will decide whether the U.S. industry was materially injured by the imports.
Ukraine’s state forestry sector has reported its strongest financial performance to date. Despite operating during wartime conditions, the industry delivered a significant increase in profitability last year. The results were announced during the annual public report presented by Viktor Smal, head of the State Forest Resources Agency of Ukraine. According to the report, the state enterprise Forests of Ukraine generated net profits of UAH 6.9 billion, equivalent to approximately US$167 million. The result represents a 2.76-fold increase compared with 2024. The achievement is considered a milestone for the country’s forestry management system. Industry leaders attribute the growth largely to procurement reforms introduced after 2020. These reforms were designed to improve transparency and reduce financial leakage within the sector. …Profitability within the forestry industry also improved considerably. The sector recorded an overall profitability rate of 22.8%. This figure increased by 12.3% points compared with earlier results.
The outsized impact that oil prices have on the global economy means higher fuel and energy prices are all but guaranteed for many countries, not just those in the conflict region. …In the forest products sector, softwood lumber trade is one of the most directly exposed segments. Europe accounts for about one-third of the global softwood supply. Sweden and Finland are among Europe’s top exporters, along with Germany and Austria. …Lumber shipments out of Europe rely heavily on shipping routes through the Mediterranean, the Suez Canal, and the Gulf. Shipping costs are expected to escalate as fuel prices and risk premiums rise. Spikes in freight and insurance, along with rising energy costs in production and transport, could quickly start to make Nordic lumber less competitive while tightening margins. …Prolonged disruption in that region could force Nordic lumber producers to redirect volumes to Europe, North Africa, and Asia, causing price pressures in those markets.
WASHINGTON — The widening conflict in the Middle East following joint U.S.-Israeli strikes against Iran is introducing fresh uncertainty into global markets, with potential downstream effects for furniture importers, who despite relying more heavily on Asia-based sourcing than directly in the region are still exposed to volatility across the global supply chain. Analysts told Reuters that a broader regional conflict could disrupt global trade routes, supply chains and commodity prices, all of which have implications downstream for furniture importers by heaping pressure on both costs and capacity. Three potential effects of the ongoing unrest in the Middle East that could spill over for furniture companies include higher fuel costs and landed container prices, container capacity pressures, and risks and longer-term supply chain strains. Over the longer term, the conflict underscores the need to reassess geographic concentration risk.
OTTAWA — The Canadian minister responsible for Canada-United States trade said Wednesday that Mexico was keen to maintain a trilateral agreement under the free trade pact between the three North American neighbors that is up for review this year. “I am reassured by the Mexican economy secretary … his desire to work with Canada and to ensure that the review of CUSMA results in a strengthened and ongoing trilateral trade arrangement,” Dominic LeBlanc said in a press conference from Mexico. LeBlanc is heading a group of over 370 delegates to Mexico for a six-day trade mission amid fears that U.S. President Donald Trump could ditch the decades-old three-way free trade agreement between the U.S., Mexico, and Canada when it comes up for review later this year. “The Mexicans have very similar interests to Canada,” LeBlanc said. “We both remain absolutely committed to the trilateral free trade agreement and working together as this review process unfolds,” he added.
FINLAND — Metsä Group’s demo plant for a new lignin product has started up in Äänekoski, Finland. The plant uses lignin extracted from the bioproduct mill’s production process as its raw material and it has a nameplate capacity of two tons of a new type of lignin product per day. The plant was built in cooperation with the equipment supplier ANDRITZ. Dow, a leading materials science company, is a key partner. Metsä Group’s new lignin products are called Metsä LigO™. According to Ismo Nousiainen, CEO of Metsä Fibre, part of Metsä Group, the company aims to use the wood raw material, including side streams of pulp production, as efficiently as possible to generate the greatest possible added value. …”The purpose of the new demo plant is to ensure the functionality of the lignin product’s production process, as well as the product’s characteristics and suitability for the market.”
Finland’s forest industry could be forced to reduce capacity again as rising raw material costs and weaker market conditions weigh on profitability. That assessment comes from Juha Varis, senior portfolio manager at S-Bank. …The warning comes amid a more challenging environment for pulp and paper producers. Wood prices remain elevated while demand for several forest industry products has developed more weakly than expected, increasing investor expectations that production cuts may follow. …Björn Wahlroos said that a large and modern pulp mill in Finland could be forced to shut down due to a lack of raw material. His remarks triggered wider discussion within the sector. …Varis said overcapacity in the European forest industry is evident across several segments. He added that investors expect some reduction in capacity but that it remains unclear which companies or plants might be affected.
Mercer posted Q4 earnings per share (EPS) of -$4.61 against a consensus estimate of -$0.83, a miss that signals the commodity cycle has gone from painful to existential. The headline driver was a $238.7 million non-cash impairment charge, including a $203.5 million write-down on its Peace River hardwood pulp mill. …International Paper’s Q3 2025 losses look alarming on the surface, with a $1.01 billion impairment on its Global Cellulose Fibers business and $675 million in accelerated depreciation from mill closures. But adjusted EBITDA came in at $859 million, up 28% sequentially. IP is taking pain by choice. Mercer is absorbing pain it cannot control. …IP’s pivot to pure-play global packaging via DS Smith gives it pricing leverage and diversified end markets. Mercer’s mass timber order book, at roughly $163 million in contracts including data center projects, is a genuine bright spot, but it cannot offset a pulp business bleeding cash.
NEW YORK, New York — Mercer International reported fourth quarter 2025 Operating EBITDA of negative $20.1 million compared to positive $99.2 million in the same quarter of 2024 and negative $28.1 million in the third quarter of 2025. In the fourth quarter of 2025, net loss was $308.7 million compared to net income of $16.7 million in the fourth quarter of 2024 and a net loss of $80.8 million in the third quarter of 2025. The net loss in the fourth quarter of 2025 included total non-cash impairments of $238.7 million. This included non-cash impairments of $203.5 million recognized against long-lived assets at our Peace River mill due to the continued down-cycle environment of hardwood pulp markets, $12.2 million against certain obsolete equipment and $23.0 million against pulp inventory due to low prices and high fiber costs. …Mr. Juan Carlos Bueno, CEO: “We continue to prioritize improving liquidity and working capital, committing to rebalancing our asset portfolio and maintaining operating discipline.”
US equities tumbled on Tuesday, undoing a Monday equity comeback, as oil prices spiked again and traders began to worry the U.S.-Iran conflict could drag on longer than anticipated. The Dow Jones Industrial Average lost 1,238 points, or 2.5%. If that holds, it would mark the blue-chip index’s first 1,000-point decline since April 10, 2025. The S&P 500 slipped 2.2%, while the Nasdaq Composite was down 2.3%. Brent crude oil, the international benchmark, topped $84 a barrel, up 8% Tuesday following a 6% spike Monday. WTI crude jumped 8% to above $77 a barrel after a 6% jump as well on Monday. Iranian Revolutionary Guard commander said the Strait of Hormuz — the world’s most vital transit route for crude oil — is closed and that Iran would set ablaze ships attempting the route, Reuters reported, citing Iranian media.
European laminate flooring manufacturer sales declined 6.50% to 263.4 million m2 in 2025, according to the European Producers of Laminate Flooring (EPLF). The sales decreased from 281.6 million m2 in 2024. EPLF said the trend reflects the broader slowdown observed across construction markets, particularly in new residential builds and renovation activity, which continued to weigh on demand throughout the year. EPLF said the 2025 figures point to a “year of adjustment” for the laminate flooring sector. “While global volumes declined, demand remained comparatively more stable in the core European markets, which continue to represent the majority of EPLF sales,” it said. “Regional differences indicate that market conditions evolved at different speeds rather than following a single global pattern.” Europe accounted for more than 80% of total sales by EPLF member countries, confirming its position as the core market for the laminate flooring.
Timber imports into the United Kingdom declined to their lowest level in more than ten years during 2025. The data was reported by Timber Development UK (TDUK), the industry body representing the national timber supply chain. According to the organisation’s latest market review, total timber imports reached 9.1 million cubic metres in 2025. This figure represented a 2.2% decrease compared with the previous year. …Timber demand in the United Kingdom has now remained relatively flat for four consecutive years. …Softwood remains the dominant component of the UK timber market. The material accounts for approximately 61% of total timber imports. However, softwood imports declined by 4% during 2025. …Several traditional suppliers exported smaller volumes to the UK. Other suppliers partially offset these declines. Imports from Latvia and Finland increased during the same period. …Performance within the engineered wood category was uneven. Laminated veneer lumber and timber I-beams both recorded steady growth during the year.
Japan’s housing starts fell 0.4% yoy in January 2026, easing from a 1.3% drop in the previous month and beating market expectations of a 1.6% decline. It marked the third consecutive month of contraction, though the pace was the mildest since July 2024. Rental housing starts declined at a slower rate (-1.5% vs -3.4% in December). Meanwhile, owner-occupied homes rebounded (6.6% vs -1.8%), as did prefabricated housing (5.1% vs -6.1%). Starts for two-by-four homes also accelerated (8.7% vs 2.8%). In contrast, built-for-sale housing fell 4.8%, reversing a 1.9% increase in December.
Drax Group Plc’s profit declined last year but exceeded analyst estimates, helping lift the shares to their highest level in almost two decades despite significant impairment charges. Adjusted earnings before interest, taxes, depreciation and amortization totaled £947 million ($1.3 billion), beating analyst estimates for £913.7 million. Citigroup Inc. analyst Jenny Ping cited lower pellet costs and record generation at its main biomass plant as supporting the result. The figure was still 11% lower than a year earlier, which Drax attributed to weaker power prices. The company’s share price rose as much as 6.2% to the highest since October 2006 before paring gains. …Drax reaffirmed its target of £600 million to £700 million of annual adjusted EBITDA after 2027 and said it expects 2026 earnings to align with analyst forecasts of about £662 million. The company also expects to return £1 billion to shareholders through dividends and share buybacks from 2025 until 2031, with £2 billion invested in growth areas.
Russia’s lumber industry is entering a period of sustained pressure as production volumes continue to fall and regulatory risks increase. Official data shows that lumber output declined by more than 2.5% last year, reinforcing concerns across the forestry and wood processing sectors. According to Rosstat, Russia’s lumber production dropped from 29.2 million cubic metres in 2024 to 28.48 million cubic metres in 2025. Output remains well below historical highs. Current production is estimated to be 2 to 3 million cubic metres lower than the 2019 peak of roughly 32 million cubic metres. The downturn reflects structural challenges rather than short-term disruption. Domestic demand has weakened. Export markets have narrowed. Access to European machinery and technology has been reduced. These pressures are being felt across both logging and downstream processing operations. China now absorbs more than 70% of Russia’s lumber exports. …Softwood lumber production fell by 3.5% last year. Output declined to 25.7 million cubic metres. 
Visit Canada Wood’s Market News for these stories and more:
Canada Wood’s January market news highlights the continued expansion of Canadian wood products into key international markets, with a strong focus on mass timber, technical innovation, and long-term partnerships. Articles explore new opportunities for Canadian species in China’s growing glulam sector, including efforts to diversify beyond Douglas fir into Hem-Fir, SPF, and yellow cedar. Other features examine rising interest in mass timber construction in South Korea, driven by carbon-reduction goals and modern architectural demand. The January updates also showcase how long-standing Canadian demonstration projects in southern China are building confidence in wood’s durability in challenging climates, helping pave the way for larger, more complex structures. Rounding out the month is news of renewed Canada–China cooperation on wood construction, reinforcing shared commitments to low-carbon building and sustainable urban development. Together, these stories offer a timely snapshot of how Canadian wood expertise is shaping construction practices abroad.
HELSINKI, Finland — A groundbreaking investigation by researchers at the University of Helsinki is shedding new light on the relationship between wood surface treatments and bacterial survival, revealing profound implications for both public health and material science. The study meticulously analyzed how untreated and chemically treated wood surfaces influence the adhesion, survival, and transmission of bacterial species commonly found in indoor environments. This research challenges conventional perspectives on surface hygiene and opens avenues for reconsidering material use in everyday settings ranging from homes to healthcare environments. The research primarily focused on two bacterial species: Staphylococcus epidermidis and Pseudomonas aeruginosa. …By studying these organisms, the research team was able to capture a spectrum of bacterial behaviors and survival strategies on different wood substrates. …Although the study’s scope was limited, its findings offer valuable preliminary insights into the wider implications of material selection in construction and interior design.
HCM CITY — Canadian Wood Vietnam, part of Forestry Innovation Investment (FII) – a provincial agency of the Government of British Columbia (B.C.), Canada, has recently reaffirmed its commitment to the Vietnamese wood industry by maintaining a consistent presence across key industry platforms. Canadian Wood Vietnam is dedicated to enhancing networking activities, sharing information, and fostering professional exchanges within Việt Nam’s wood and furniture industry. In addition to promoting trade, Canadian Wood Vietnam works closely with manufacturers in Việt Nam by offering technical support, training programmes, and facilitating market development initiatives that link businesses with reputable Canadian softwood suppliers and provide valuable insights into softwood species from British Columbia (B.C.), Canada. These ongoing efforts aim to assist Vietnamese manufacturers in strengthening their product development capabilities, refining design applications, and enhancing value creation. 
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BHUBANESWAR: India should explore inclusion of wood-based construction and buildings into the national building code to achieve optimal outcomes for climate change and the economy, opined experts at the 14th National Workshop of Japan International Cooperation Agency Assisted Forestry Projects. The three-day workshop is organised by the Odisha Forestry Sector Development Project focuses on strengthening sustainable wood supply systems, promoting forest certification and expanding agroforestry to meet both domestic and global demands. Odisha Forestry Sector Development Society officials said while the National Building Code of India advocates bamboo for use in construction … international experts at the workshop opined that production and use of wood-based and other natural construction materials can also be explored to reduce dependence on carbon-intensive materials further and encourage sustainable forestry.
There are two types of suncream: chemical and physical. Chemical suncreams absorb the UV rays into heat … physical sunblocks scatter and reflect the UV rays on top of the skin. While they offer a broader spectrum of protection, their photo-catalytic nature and small particle size carry a potential risk. The synthetic compounds have adverse side effects on humans and the environment. …Wood is a material that is very effective at scattering light as a result of its cellular structure, absorbing light through one of its components, lignin. The compound is an organic polymer in the cells of many plants which makes them rigid and woody. It also offers sun protection factors (SPFs) that exceed 180. Lignin has a natural phenolic network that forms a shield against ultraviolet light, offering protection against the sun without the need for petroleum-based filters.The use of lignin as sun protection for skin is promising, particularly as a renewable and waste-free resource. 
Two of Sweden’s largest forest companies have called on the European Union to revise its bioeconomy strategy to include a stronger commitment to expanding sustainable wood supply, warning that current policy signals risk undermining Europe’s green transition goals. In a joint statement published this week, the chief executives of SCA and Holmen argued that the EU Commission’s updated bioeconomy strategy — released last November — underestimates both the economic weight of the wood-based sector and the primary biomass volumes needed to meet its own ambitions. The two executives estimated that wood-based value chains account for around seven per cent of total EU economic value and support approximately 17 million jobs across the continent — figures they said the strategy fails to capture by focusing narrowly on upstream production. The Commission’s own figure of roughly €240 billion in added value and fewer than three million jobs, they argued, represents less than a quarter of the sector’s true contribution.
As the EU’s Deforestation Regulation (EUDR) nears implementation this year, furniture giant IKEA may need stronger traceability systems to prove its timber isn’t linked to post-2020 deforestation. Although nearly all IKEA wood is FSC-certified or recycled, past investigations show this voluntary scheme can miss illegal or unsustainable logging. The EUDR requires geolocation data and stricter due diligence than existing certifications or regulations, but repeated delays and possible rule changes have created uncertainty for companies like IKEA preparing to comply. Industry watchdogs say high-profile companies like IKEA can “do more” to champion the landmark regulation and implement leading wood traceability systems, rather than relying solely on existing — voluntary— certification schemes.
Forests around the world are quietly transforming, and not for the better. A massive global analysis of more than 31,000 tree species reveals that forests are becoming more uniform, increasingly dominated by fast-growing “sprinter” trees, while slow-growing, long-lived species are disappearing. These slower species act as the backbone of forest ecosystems, storing carbon, stabilizing environments, and supporting rich webs of life—especially in tropical regions where biodiversity is highest. …The research also highlights the growing role of naturalized tree species, meaning trees that originated elsewhere but now grow wild in new regions. Nearly 41 percent of these species share traits like rapid growth and small leaves, which help them survive in disturbed environments. …The study shows that tropical and subtropical regions are likely to experience the most severe impacts from forest homogenization. …According to the researchers, human actions are the main force behind these changes in forest composition. …This makes protecting slow-growing tree species increasingly urgent.
In a controversial study published in April last year, researchers described an astonishing phenomenon: a forest of Norway spruce trees (Picea abies) appeared to ‘sync’ their electrical signaling ahead of a partial solar eclipse. Now there’s a new theory about what was actually going on. Having examined the data, ecologists Ariel Novoplansky and Hezi Yizhaq from Ben-Gurion University of the Negev in Israel propose an explanation that’s not quite as sensational. Novoplansky and Yizhaq suggest that the electrical activity seen in the trees was caused by a temperature drop, a passing thunderstorm, and several local lightning strikes; factors that previous research has shown can trigger similar signaling responses in plants.
Drax Group is launching a strategic review of its Canadian pellet operations due to a constrained fiber market and low margins. …CEO Will Gardiner discussed the company’s changing pellet production strategy. …“Our US business is fundamentally part of our UK supply chain. That business is doing very well As you will have seen, our Canadian business is more challenged, and we’ve been talking about this for some time as margins have come down due to fiber costs rising in Canada more rapidly than indexed power prices in Asia. As we noted last year, this dynamic contributed to the decision we’ve made to close one of our pellet plants in Williams Lake towards the end of last year.” As a result, Drax is not currently expecting to commit any additional capital to the pellet production segment, including the paused pellet plant planned for development in Longview, Washington.
In the fight against the climate crisis, countries are pinning great hope in reforestation projects. In a new study, ETH Zurich researchers show that the location in which reforestation is taking place is usually more important than the number of trees planted. If forests are strategically positioned, the same cooling effect could be achieved using half the area of land. Climate researchers at ETH Zurich show where planting trees makes the most sense with a view to achieving the greatest possible cooling effect on the climate. Reforestation in tropical regions has the greatest cooling effect. Tree planting in the northern hemisphere, on the other hand, reduces the reflection of sunlight and has no effect or even contributes to global warming. The cooling effect on the climate will be a maximum of 0.25°C by 2100. This contribution is important, but it cannot replace the urgently required reduction in greenhouse gas emissions. 
A new study with EFI contribution, 
With European manufacturing output down by up to 40% since 2018, and 200,000 industrial jobs lost last year, the European Confederation of the Paper Industry (Cepi) wants to put biomass, circularity and decarbonization financing back at the heart of the industrial debate. The trade organization relies on a report commissioned from Deloitte. According to this analysis… the use of biomass and efficiency in the circularity of materials are structural advantages for European industry in the face of imported fossil products. The report highlights the fact that the forestry and timber industry, which is already governed by national legislation, has to contend with over a hundred additional European regulations. In Cepi’s view, this overlap is holding back biomass-related industrial development. Moreover, paper collection and recycling remains fragmented across the member states. This heterogeneity complicates the optimization of secondary material flows, despite the fact that paper is one of the most recycled materials in Europe.
When the time is right, a good love song can make all the difference. A study from the University of California, Davis, found that temperature affects the sound and quality of male frogs’ mating calls. In the colder, early weeks of spring, their songs start off sluggishly. In warmer weather, their songs pick up the pace, and female frogs take note. Better songs make the males more attractive mates and suggest to females that conditions are suitable for reproduction. …The results carry implications for conservation amid climate change. …Understanding when frogs breed, how that may shift as the climate warms, and what is driving those shifts is critical to their conservation. …females do not necessarily come to the pond just because the males are calling. The time has to be right for her eggs to survive. That clue lies in the quality of the male’s song, which is more attractive once it’s warmer. 
BUENOS AIRES, Argentina — Human-caused climate change had an important impact on the recent ferocious wildfires that engulfed parts of Chile and Argentina’s Patagonia region, making the extremely high-risk conditions that led to widespread burning up to three times more likely than in a world without global warming, a team of researchers warned on Wednesday. The hot, dry and gusty weather that fed last month’s deadly wildfires in central and southern Chile was made around 200% more likely by human-made greenhouse gas emissions while the high-fire-risk conditions that fueled the blazes still racing through southern Argentina were made 150% more likely, according to World Weather Attribution, a scientific initiative that investigates extreme weather events soon after they happen. That probability will only increase, the experts added, as humans continue to blanket the planet with heat-trapping gases.
Scotland would have to plant several hundred thousand hectares of new woodland to achieve net-zero carbon emissions in the livestock sector by 2050 through afforestation alone, a new study has shown. The study by The James Hutton Institute, which was recently published in the journal Science of The Total Environment, investigated how multi-functional afforestation and livestock reduction could contribute to helping Scotland achieve net-zero emissions in the livestock sector by 2050. This goal aligns with the Paris Agreement on climate change. Researchers have simulated a scenario in which approximately 30,000ha per year of new woodland and agroforestry were planted in Scotland between 2020 and 2025. …It is often assumed such planting can only occur at the expense of grazing area, so the researchers coupled this planting effort with a linear decrease in livestock, with an estimated total reduction of approximately 50% of the present herd numbers.
Boreal ecosystems store twice as much carbon as the atmosphere and warm faster than the global average. The current paradigm based on boreal forests and tundra considers that warming will accelerate boreal carbon loss. However, the warming response of Sphagnum peatlands, storing ~40% of boreal carbon stocks, remains under-investigated. …investigations into two long-term warming experiments in Finnish peatlands, we demonstrate that warming enhances soil carbon accumulation in boreal Sphagnum peatlands. This result sharply contrasts with warming-induced carbon loss from boreal forests and tundra, owing to the unique metabolic response of Sphagnum… Our estimates suggest that warming-induced increase of soil carbon in boreal Sphagnum peatlands (assuming no hydrological changes or plant species shifts) may offset nearly half the boreal forest carbon-sink decline or heterotrophic respiration increases in Arctic tundra under warming. These findings highlight the vital but overlooked role of Sphagnum peatlands in counteracting boreal carbon loss under future warming.