By: Dr. Connie Reimers-Hild, Chief Futurist
American construction is being asked to build more while its core materials grow scarcer, costlier, and harder to defend on health and climate grounds. The lumber that framed the last century is contracting. The engineered panels that replaced it carry a known human carcinogen. The sector as a whole now accounts for a striking share of global emissions. For investors and builders willing to look early, these converging pressures point toward one renewable material that the market has largely overlooked: industrial hemp.
A supply chain under strain
The raw material base for American building is shrinking. More than 3.6 billion board feet of North American mill capacity was permanently or indefinitely closed in 2024 alone (Jolley, 2025). U.S. hardwood production fell by roughly 29 percent between 2022 and 2025, and about 40,000 jobs left the sector during the same period (Blackberry Pallet, 2026). Capacity that closes on a multi-decade rotation cycle does not reopen quickly, and the plantation lumber grown to replace old-growth fiber tends to be younger, weaker, and less dimensionally stable (USDA Forest Service, 2009). Tariffs, softwood trade disputes, and shipping disruptions add further volatility to prices that builders already struggle to forecast.
The health cost inside the walls
The materials filling that gap introduce a problem of their own. Most conventional particleboard and medium-density fiberboard are bonded with urea-formaldehyde, which the International Agency for Research on Cancer classifies as a Group 1 human carcinogen and which continues to off-gas indoors for years after installation (IARC, 2012). Regulations such as California's CARB Phase 2 measure and the EPA's TSCA Title VI rule capped emissions, yet formaldehyde-bonded panels remain the market default (California Air Resources Board, 2009; U.S. EPA, 2018b). Indoor air quality standards tighten in only one direction, and the procurement floor beneath these panels keeps rising across schools, hospitals, and housing.
Buildings and the carbon budget
Construction also sits at the center of the climate challenge. The building and construction sector accounts for roughly 34 percent of global energy-related carbon dioxide emissions, and the embodied emissions locked into materials such as cement, steel, and aluminum represent close to 9 percent of the global total on their own (UNEP and GlobalABC, 2026). The sector generates billions of tons of construction and demolition waste every year, much of it destined for landfill (U.S. EPA, 2018a). As whole-life carbon accounting moves from voluntary practice into procurement requirements, builders will increasingly need materials that can document a low, or even negative, carbon footprint.
Why industrial hemp keeps entering the conversation
Against that backdrop, one crop keeps entering the conversation. Industrial hemp grows on a 90- to 120-day cycle, which means it delivers usable fiber in a single season rather than across a human generation. It requires substantially less water than many of the row crops it can join in rotation, and its dense canopy suppresses weeds naturally, which lowers herbicide demand on the same acreage. For a construction sector searching for a renewable, domestic, and fast-replenishing feedstock, those traits matter.
Stronger boards without the carcinogen
The performance case is now backed by peer-reviewed data. A 2025 study in the journal BioResources found that particleboard made from hemp delivered 18.4 percent greater bending strength and 16.7 percent greater tensile strength than conventional particleboard, along with 24.6 percent lower formaldehyde emissions (Kara, 2025). Hemp panels can meet the strictest emission limits without exotic chemistry because they do not depend on urea-formaldehyde as a binder. Strength and cleaner indoor air now arrive together in the same product.
A material that stores carbon and restores soil
Hemp also addresses the carbon problem at both ends of its life. While it grows, hemp sequesters an estimated 3.6 to 6.7 tons of carbon dioxide per acre each season, which is two to three times the rate of many managed forests (Shah, 2021; IPCC, 2019). When the crop becomes board, that carbon stays locked inside the wall for the service life of the structure. A peer-reviewed life-cycle assessment found that hemp-based board removes roughly 5 pounds of carbon dioxide for every 10.8 square feet of finished panel (Rivas-Aybar et al., 2023). The same plant can also restore the ground where it grows. Industrial hemp is a documented phytoremediator that draws heavy metals such as cadmium, lead, and arsenic out of soil (Placido and Lee, 2022), and a field trial at a former United States Air Force base recorded uptake of 10 of the 28 PFAS compounds present in the ground there (Nason et al., 2024).
A market that is already in motion
The commercial opportunity is not hypothetical. The global market for hemp-based building products is projected to reach 94.27 billion dollars by 2033, growing at an 11.3 percent compound annual rate, with North America identified as the fastest-growing region (Grand View Research, 2025). Demand signals are lining up beside the supply story: architects are specifying low-emission panels by name, reshoring and domestic-content preferences are gaining bipartisan support, and green building programs increasingly reward verified embodied carbon. The category is large, the tailwinds are real, and the leadership position remains open.
The opening is now
None of this requires a leap of faith. The research is peer-reviewed, the market data is published, and the material is already being pressed into boards today. What the moment calls for is builders willing to specify differently and investors willing to move ahead of the consensus. The pressures on construction are structural, and they are compounding. The materials that answer them are renewable, healthier, and grown by American farmers. The builders and investors who recognize the shift early will help decide how the next era of American construction gets built and who benefits when it does.
The question is no longer whether construction will change. The question is who will build the answer first?
Interested in learning more? Follow our blog and social channels as we continue to explore and expand the conversation about the future of the industrial hemp construction industry: https://wyominghemp.us/blogs/news
References
Blackberry Pallet. (2026). 2025 U.S. wood manufacturing in review and challenges for 2026. blackberrypallet.com
California Air Resources Board. (2009). Phase 2 airborne toxic control measure for composite wood products. arb.ca.gov
Grand View Research. (2025). Hemp-based building products market size, share and trends analysis report, 2025 to 2033. grandviewresearch.com
Intergovernmental Panel on Climate Change. (2019). Climate change and land (SRCCL). ipcc.ch
International Agency for Research on Cancer. (2012). IARC monographs, Volume 100F: Formaldehyde. World Health Organization. publications.iarc.who.int
Jolley, P. (2025). Top 10 North American and U.S. lumber producers in 2024. Forisk Consulting. forisk.com
Kara, M. E. (2025). Mechanical and physical properties of particleboard produced from hemp plant. BioResources, 20(3), 5361 to 5376. bioresources.cnr.ncsu.edu
Nason, S. L., et al. (2024). A comprehensive trial on PFAS remediation: Hemp phytoextraction and PFAS degradation in harvested plants. Environmental Science: Advances, 3(2), 304 to 313. doi.org/10.1039/D3VA00340J
Placido, D. F., and Lee, C. C. (2022). Potential of industrial hemp for phytoremediation of heavy metals. Plants, 11(5), 595. doi.org/10.3390/plants11050595
Rivas-Aybar, D., John, M., and Biswas, W. (2023). Environmental life cycle assessment of a novel hemp-based building material. Materials, 16(22), 7208. doi.org/10.3390/ma16227208
Shah, D. (2021). Hemp "more effective than trees" at sequestering carbon, says Cambridge researcher. Dezeen. dezeen.com
UN Environment Programme and Global Alliance for Buildings and Construction. (2026). Global status report for buildings and construction 2025 to 2026. unep.org
U.S. Environmental Protection Agency. (2018a). Construction and demolition debris: Material-specific data. epa.gov
U.S. Environmental Protection Agency. (2018b). Formaldehyde emission standards for composite wood products, TSCA Title VI. epa.gov
USDA Forest Service. (2009). Comparing timber and lumber from plantation and natural stands of ponderosa pine. fs.usda.gov
