Hydrogen is becoming a central pillar of the global shift to cleaner energy. Governments and industries see it as a reliable way to cut emissions, support energy independence, and power sectors that are difficult to electrify.
As hydrogen production scales up, a new question becomes increasingly important. How can hydrogen projects support climate goals without undermining biodiversity?
Biodiversity is not an abstract concept. It refers to the variety of living organisms and ecosystems that sustain natural systems. Healthy forests regulate water cycles. Wetlands protect coastlines. Grasslands store carbon. When these systems are disturbed or lost, communities lose the benefits they provide. Hydrogen can reduce carbon emissions, but if the infrastructure supporting it harms ecosystems, the environmental gains become less meaningful.
To build a genuinely sustainable hydrogen economy, biodiversity must be part of the discussion from the very beginning.
This article explores how hydrogen projects affect the environment, which risks need to be managed, and how thoughtful planning can ensure that clean energy development contributes positively to the environment.
The environmental promise
Hydrogen is often described as a clean fuel. When used in a fuel cell or burned, it produces water vapour instead of carbon dioxide. This makes it an attractive solution for decarbonising heavy industry, transport, and heating. Hydrogen also supports cleaner air because it avoids the pollutants associated with fossil fuels【1】.
Yet hydrogen infrastructure is not impact-free. It relies on land, water, electricity, and transport systems. When these are poorly planned or located in sensitive areas, ecosystems can be disrupted.
The World Wide Fund for Nature has shown that hydrogen produced from fossil fuels, known as grey or blue hydrogen, often requires extraction activities in biodiverse regions. These activities can fragment habitats, disturb wildlife, and degrade ecosystems【2】.
Green hydrogen, produced through electrolysis powered by renewable energy, reduces these risks. Even so, green hydrogen facilities require land for electrolysers, pipelines, storage tanks, and renewable energy installations. Grid connections and water infrastructure add further footprint.
The result is a dual reality. Hydrogen can support climate action, but its environmental integrity depends on careful planning and responsible implementation.
How hydrogen projects interact with biodiversity
Habitat loss and fragmentation
One of the most direct impacts arises from land use. Hydrogen plants, storage areas, and the renewable energy systems needed to power them occupy considerable space. When these developments are placed on natural land, vegetation may be cleared, wildlife corridors interrupted, and habitats divided into smaller, less functional pieces.
A well-known example comes from Namibia’s Tsau Khaeb National Park. Plans for a large green hydrogen complex involve thousands of wind turbines and solar panels within a desert ecosystem known for rare plants and endemic animal species. Conservation groups warn that the scale of the development could transform a pristine landscape into an industrial export zone, threatening ecosystems that have remained intact for decades【3】.
This case shows how vital site selection is. When hydrogen infrastructure overlaps with biologically rich areas, the consequences can be significant and long-lasting.
Disturbance to ecosystems
Construction and operation can disturb wildlife through noise, artificial light, and increased human activity. Birds and bats can collide with wind turbines and high-voltage transmission lines linked to hydrogen production.
In coastal settings, dredging can disturb seabeds and increase sedimentation, which harms coral reefs and seagrass. Desalination plants supplying water to hydrogen electrolysers may discharge concentrated brine into marine ecosystems if not properly managed.
Atomfair’s research highlights how sediment movement and brine disposal can affect coastal species. Coral systems are particularly sensitive and can be damaged by even small changes in water conditions【4】.
These effects emphasise the importance of designing projects that avoid critical ecosystems and apply strong environmental safeguards.
Water use and stress on freshwater ecosystems
Hydrogen electrolysis requires clean water. Producing 1 kilogram of hydrogen typically requires around 9 litres of purified water. When the raw water is of lower quality and requires more intensive purification, the total input can rise to 20-30 litres.【5】.
In regions already facing water scarcity, hydrogen development can increase pressure on freshwater bodies and the ecosystems they support.
Some projects consider desalinating seawater, but this raises its own ecological concerns. Desalination is energy-intensive and produces brine that must be disposed of carefully.
Using treated wastewater, improving recycling within electrolysers, and selecting sites with adequate water availability can reduce ecological stress.
Designing hydrogen projects that protect biodiversity
Hydrogen and biodiversity need not conflict. With thoughtful planning and modern environmental practice, hydrogen developments can avoid sensitive areas and even support ecological restoration. Five principles guide a responsible approach.
1. Choosing low-conflict sites
The most effective way to reduce environmental harm is to avoid sensitive areas. Developers should screen regions for protected habitats, endangered species, and ecological corridors. Brownfield sites, industrial zones, and degraded landscapes are suitable alternatives that offer space without displacing wildlife.
Uniper’s Maasvlakte Green Hydrogen Project in the Netherlands is one example. The company selected a former power plant site within an industrial port area. This choice allowed the project to proceed without converting natural landscapes or fragmenting habitats【8】.
2. Conducting strong environmental assessments
Environmental Impact Assessments (EIAs) provide essential information before construction begins. They identify local species, ecosystem functions, and seasonal patterns that must be considered. EIAs also outline measures to avoid or reduce impacts.
Experts increasingly recommend cumulative impact assessments. These examine multiple renewable and hydrogen developments across a region to assess their combined pressures. Atomfair’s environmental assessment research shows how cumulative effects, such as increased noise, repeated land conversion, and overlapping infrastructure, can be more damaging than a single project assessed in isolation【9】.
3. Engineering solutions that minimise impact
Engineering choices can significantly reduce a project’s ecological footprint. Pipelines can run alongside existing roads and utility corridors to avoid creating new barriers. Wind turbines can be equipped with radar-triggered shutdown systems during bird migration. Facilities can use downward-facing, motion-activated lighting to reduce disorientation for nocturnal species.
Hydrogen plants can be fitted with advanced leak detection systems. Modern sensors improve safety and reduce atmospheric impacts. In coastal settings, desalination discharge must be diluted or treated to protect marine ecosystems.
4. Delivering biodiversity net gain
Even with good planning, some impact may still occur. Modern sustainability practices encourage developers to achieve biodiversity net gain. This means restoring or enhancing ecosystems to leave the project area in better ecological condition than before.
The Kintore Hydrogen Plant in Scotland demonstrates this approach. Its biodiversity plan includes creating over 30 hectares of habitats, including species-rich grasslands, wetlands, and new woodland. Wildlife shelters, hedgerow planting, and bat boxes further support local species. These measures exceed what is required to offset the site’s impact and contribute to a healthier ecological landscape【10】.
5. Monitoring and adapting over time
Biodiversity protection is not a one-off activity. Continuous monitoring ensures that mitigation measures are effective and that unexpected issues are addressed quickly. Monitoring may include wildlife surveys, water quality testing, and vegetation assessments.
The Green Hydrogen Standard requires developers to carry out ongoing monitoring and demonstrate that habitats remain viable throughout a project’s life cycle【11】. This helps ensure hydrogen projects meet environmental promises long after construction ends.
Policy frameworks guiding responsible hydrogen development.
Environmental assessment and permitting
Most countries require EIAs for large infrastructure projects, and hydrogen is no exception. Many international lenders follow performance standards that require strict protection of biodiversity. IFC Performance Standard 6, for example, requires developers to avoid critical habitats or deliver no net loss when avoidance is not possible.
Protection of sensitive areas
Germany’s H2Global import mechanism excludes bids located in protected areas or high-biodiversity zones. This sets a clear market signal that projects must be sited responsibly to qualify for international support【12】.
Biodiversity net gain requirements
In the United Kingdom, biodiversity net gain is now part of planning law. New developments must demonstrate at least a 10 per cent improvement in biodiversity value. Scotland’s planning framework applies similar expectations to hydrogen projects such as Kintore, integrating ecological restoration into the approval process【10】.
Sustainability certification
Voluntary certifications, such as the Green Hydrogen Standard, add further accountability. They require strong biodiversity, water, and community safeguards alongside carbon criteria【11】. These standards help buyers and investors identify environmentally responsible hydrogen.
Ongoing oversight
Permits increasingly require continuous reporting of water use, emissions, and ecological indicators. Enforcement ensures that biodiversity protection remains an active commitment rather than an initial formality.
Innovation supporting biodiversity-friendly hydrogen.
Prioritising degraded landscapes
Many governments are mapping unused industrial areas for new hydrogen hubs. Using brownfield sites prevents habitat loss and helps revitalise regions that need economic development. This approach reduces pressure on natural ecosystems while supporting energy transition goals【8】.
Environmental monitoring technology
Advances in technology allow real-time monitoring of environmental conditions. Drones can survey vegetation health. Sensors detect hydrogen leaks. Satellite imagery reveals changes in land cover or wildlife movement. Atomfair research shows how these tools help developers identify issues early and take corrective measures【9】.
Alternative water sources
Researchers are designing electrolysers that can operate with non-freshwater sources such as seawater or treated wastewater. Closed-loop systems can capture water produced during hydrogen use and recycle it back into production. These innovations reduce freshwater consumption and lessen pressure on sensitive ecosystems【5】.
Energy-nature co-design
Some hydrogen projects now integrate ecological benefits into their design. Pollinator-friendly vegetation can be planted around solar arrays. Wetlands can be restored near coastal hydrogen hubs. Wildlife corridors can be preserved between project sites. These approaches demonstrate that clean energy and biodiversity can advance together rather than compete.
Towards a hydrogen economy that supports nature
Hydrogen will play an essential role in the clean energy future. To ensure the transition is genuinely sustainable, the sector must protect ecosystems while reducing emissions. The contrasting examples of Namibia’s contested desert development and Scotland’s restorative Kintore project illustrate that planning choices define outcomes.
Hydrogen projects that avoid sensitive areas, conduct thorough assessments, apply strong engineering solutions, commit to net biodiversity gain, and maintain transparent monitoring can support both climate action and nature protection. When these elements come together, hydrogen infrastructure becomes part of a positive environmental legacy.
Hydrogen has the power to transform industries. When developed with environmental integrity, it can help restore landscapes, protect species, and support communities. A hydrogen economy that safeguards biodiversity is not only possible. It is essential.
Explore more
Learn how Hydrogenera applies environmental integrity across its hydrogen technologies at https://hydrogenera.eu.
References
- National Wildlife Federation (2023). The Hype Around Hydrogen. https://blog.nwf.org/2023/11/the-hype-around-hydrogen/
- WWF & CLEANaction (2022). Nature-safe Energy: Linking Energy and Nature to Tackle the Climate and Biodiversity Crises. https://files.worldwildlife.org/wwfcmsprod/files/Publication/file/56sr3qndka_Nature_Friendly_Energy_Report.pdf
- Windhoek Observer (2024). Hydrogen Projects Threaten Namibia’s Biodiversity. https://www.observer24.com.na/hydrogen-projects-threaten-namibias-biodiversity/
- Atomfair Hydrogen Primer (2024). Hydrogen Infrastructure and Marine Disturbance. https://atomfair.com/hydrogen-primer/article.php?id=G75-1455
- RMI (2023). Hydrogen Reality Check: Distilling Green Hydrogen’s Water Consumption. https://rmi.org/hydrogen-reality-check-distilling-green-hydrogens-water-consumption/
- Earthjustice (2025). Federal Hydrogen Hub Community Guide. https://earthjustice.org/feature/hydrogen-hub-community-guide
- Atomfair Hydrogen Primer (2024). Hydrogen Site Selection and Zoning. https://atomfair.com/hydrogen-primer/article.php?id=G76-1470
- Uniper (2023). Hydrogen to Maasvlakte Project. https://www.uniper.energy/projects-and-cases/hydrogen-maasvlakte
- Atomfair Hydrogen Primer (2024). Environmental Assessment and Human Impacts. Cost Trends in Hydrogen Production - Atomfair
- Kintore Hydrogen Ltd. (2024). Outline Biodiversity Enhancement and Management Plan. https://kintorehydrogen.co.uk/assets/documents/eiar-appendix-8_18-outline-biodiversity-enhancement-and-management-plan.pdf
- Green Hydrogen Organisation (2022). Green Hydrogen Standard Requirements. https://www.greenhydrogenstandard.org/standard/requirements
- NewClimate Institute (2025). Assessing Safeguards for Hydrogen Sustainability in the H2Global Mechanism. https://newclimate.org/resources/publications/assessing-safeguards-for-hydrogen-sustainability-in-the-h2global-mechanism