Our approach

Cambi's blueprint for a sustainable future

Our thermal hydrolysis process leads the industry in creating environmentally and community-friendly solutions for wastewater solids and sludge treatment. But our efforts go further.

Cambi defines corporate sustainability as the responsible management of relevant ESG factors, reflected in how we engage stakeholders, align with global frameworks, and define key priorities to create long-term value for our customers, investors, and society.

A holistic vision for sustainability

Sustainability is fundamental to Cambi’s business, guiding our strategy, operations, and innovation.
We integrate environmental, social, and governance (ESG) principles across all aspects of our work,
ensuring profitable, safe, and sustainable business practices.

Cambi works to harness wastewater solids and organic wastes to enable urban communities to become
more resilient and sustainable. Our strategy to achieve that is built on three pillars:

Environmental responsibility

The environment is at the core of everything we do at Cambi, from reducing material use, pollution, and emissions to pursuing net-zero targets.

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Positive social impact

Employee welfare, growth, and safety are pivotal for Cambi's achievement of our strategic goals and warrant a sustainable workplace culture across our partner and supply networks.

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Ethical governance

Cambi fosters accountability, sustainable value creation, and trust among its partners and communities through transparent and responsible corporate management.

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Aligning with the United Nations (UN) Sustainable Development Goals

Cambi has made it its mission to drive positive global environmental, social, and economic impact. We contribute to nine out of 17 of the UN's Sustainable Development Goals (SDGs), as described below.

People

Water

Energy

Food

Circular economy

Climate

Innovation

Responsible business

Goal 3 – Ensure healthy lives and promote well-being for all at all ages.

Cambi contributes to healthy lives and well-being (SDG indicator 3.9.2) by improving wastewater solids treatment through our thermal hydrolysis process (THP). Through sterilisation, THP ensures pathogen removal, which protects public health, reduces the risk of waterborne diseases, and prevents environmental contamination.

Cambi's installations have the capacity to serve more than 120 million people, ensuring safer sanitation for communities worldwide. Grønn Vekst also supports many municipalities in Norway in disposing of wastewater solids safely and sustainably.

Goal 8 – Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all.

Cambi is committed to preventing occupational injuries (SDG indicator 8.8.1), fostering a strong safety culture, implementing ISO 45001-certified practices, and monitoring workplace injuries and near-misses to continuously improve health and safety performance.

The safety-first approach extends to all Cambi's suppliers as part of our commitment to ensure safe and decent working conditions throughout the supply chain and in collaboration with all clients and business partners.

Goal 6 – Ensure availability and sustainable management of water and sanitation for all.

Cambi contributes to safe wastewater treatment (SDG indicator 6.3.1) through our thermal hydrolysis process (THP). The technology ensures that wastewater solids are treated to high safety standards, reducing pollution risks, improving water quality, and supporting circular economy solutions for resource recovery.

By helping wastewater treatment plants meet stringent environmental regulations, Cambi plays a key role in advancing global efforts to increase the proportion of safely treated wastewater.

Goal 7 – Ensure access to affordable, reliable, sustainable and modern energy for all.

Cambi increases renewable energy production (SDG indicator 7.2.1) from wastewater biosolids.

Our thermal hydrolysis process (THP) technology significantly increases biogas yields in anaerobic digestion, providing municipalities and industries with a sustainable source of renewable energy.

Cambi supports the global transition to a low-carbon energy future by maximising biogas recovery and reducing reliance on fossil fuels.

Goal 2 – End hunger, achieve food security and improved nutrition, and promote sustainable agriculture.

Cambi contributes to sustainable agriculture (SDG indicator 2.4.1). Our thermal hydrolysis process (THP) produces excellent-quality biosolids products, which, in some locations, provide alternatives to chemical fertilisers. This enables farmers and municipalities to improve land productivity while reducing environmental impact.

Grønn Vekst develops and commercialises sustainable, peat-free soil products that enhance soil health, reduce land degradation, and support resilient agricultural practices.

Goal 8: Promote inclusive and sustainable economic growth, employment and decent work for all

Cambi's circular economy solutions in wastewater and organic waste treatment reduce the demand for new materials (SDG indicator 8.4.1). Through Grønn Vekst's peat-free soil products, we contribute to reducing the extraction and use of finite resources such as peat and synthetic fertilisers, thus lowering material footprints.

Our thermal hydrolysis process (THP) technology enhances resource efficiency and enables sustainable reuse of biosolids, decreasing material consumption (SDG indicator 8.4.2). For instance, by increasing the efficiency and capacity of existing wastewater treatment plants, we reduce the need for new equipment and construction, lowering material use across the industry.

Goal 11 – Make cities and human settlements inclusive, safe, resilient and sustainable.

Cambi enables cities to process wastewater solids, food, and garden waste responsibly, in modern controlled facilities (SDG indicator 11.6.1), ensuring the safe treatment and resource recovery or reuse of organic waste streams. Our THP solutions and circular economy initiatives, such as Grønn Vekst's peat-free soil products, support municipalities in reducing landfill dependency and improving waste management efficiency.

Goal 12 - Ensure sustainable consumption and production patterns.

Cambi transforms wastewater solids and organic waste into valuable resources. Our THP technology and Grønn Vekst's peat-free soil products enable cities and industries to reduce waste, increase recycling rates (SDG indicator 12.5.1), and move toward a circular economy.

Goal 9 – Build resilient infrastructure, promote inclusive and sustainable industrialisation, and foster innovation.

Cambi's thermal hydrolysis process (THP) technology often lowers the carbon footprint of wastewater solids management (SDG indicator 9.4.1) in many projects, ranking as the lowest carbon footprint solution. By increasing biogas production, improving dewatering - hence reducing the need for drying energy or transportation -, and by reducing the need for other equipment, Cambi supports the decarbonisation of wastewater infrastructure.

Grønn Vekst also reduces methane emissions associated with peat-based soils by providing alternatives based on recycled materials.

Goal 9 – Build resilient infrastructure, promote inclusive and sustainable industrialisation and foster innovation

Cambi is continuously investing in innovation for sustainable wastewater and organic waste treatment. Our partnerships with water utility companies, research institutions in several countries and the employment of skilled researchers drive advancements in thermal hydrolysis and circular economy solutions, strengthening global technological capabilities in resource recovery (SDG indicators 9.5.1 and 9.5.2).

Goal 12 – Ensure sustainable consumption and production patterns.

Cambi integrates sustainability into our corporate strategy and publishes an annual sustainability report (SDG indicator 12.6.1) that discloses our ESG commitments, performance, and ethical business practices.

We comply with the Norwegian Transparency Act and the UK Modern Slavery Act, which reinforce responsible business reporting. As the industry leader in our market niche, we are committed to transparency and continuous improvement in sustainability reporting.

Goal 16 – Promote peaceful and inclusive societies for sustainable development, provide access to justice for all and build effective, accountable and inclusive institutions at all levels.

Cambi upholds the highest standards of integrity and transparency in all business encounters, enforcing a strict zero-tolerance policy against bribery and corruption (SDG indicator 16.5.2).

We comply with international anti-corruption laws and promote ethical business practices through rigorous due diligence, supplier oversight, and compliance training.

Engaging with our stakeholders

Open dialogue and cooperation with our stakeholders are essential for driving sustainable change in wastewater solids and organic waste treatment.

Through participation in industry discussions, research collaboration, and regulatory consultations, we gain valuable insights, engage our stakeholders proactively, and ensure that our solutions remain relevant, effective, and aligned with sustainability goals.

Municipalities and local governments

Water and waste utility companies

Engineering consultants and designers

Construction and EPC companies

Regulators and environmental authorities

Equipment and technology suppliers

Transport and logistics companies

Research institutions and academia

Local communities and citizens

Investors and financial partners

Municipalities and local governments

As decision-makers in wastewater management and urban sustainability, municipalities and local authorities play a central role in shaping policies, regulations, and infrastructure investments.

Cambi works with local governments to provide sustainable, cost-effective solutions for wastewater solids treatment and biosolids reuse, enabling cities to reduce emissions, minimise waste, and enhance circular economy practices.
Our engagement also includes facilitating knowledge exchange through site visits, policy consultations and participation in public-private partnerships (PPPs).

Water and waste utility companies

Water and waste utility companies are central to Cambi's business, as they oversee wastewater sludge treatment, organic waste, and biosolids recycling. Cambi engages with utilities from project evaluation to long-term operational support.

For prospective customers, Cambi offers technical expertise to assess the benefits of thermal hydrolysis and circular economy solutions through feasibility studies, cost-benefit analyses, and technical assessments, ensuring informed decision-making.
For existing clients, Cambi stands by its technology throughout the asset lifecycle, prioritising continuous performance. Long after commissioning, Cambi provides operations support, performance upgrades, and tailored service agreements. Ongoing improvements enhance efficiency, expand capacity, and extend plant life while optimising operational resilience.
Customer experience is a key focus, with satisfaction surveys conducted after tenders and project execution. Cambi maintains regular dialogue with operators to evaluate performance and identify improvement areas, refining services and strengthening long-term partnerships.
Beyond wastewater treatment, Cambi supports utilities managing biosolids and garden waste through Grønn Vekst, delivering an integrated approach that enhances resource recovery, cost efficiency, and long-term sustainability.

aerial view of wastewater treatment plant

Engineering consultants and designers

Engineering consultants play an essential role in designing wastewater treatment plants and their solids treatment lines, advising on the best available technologies.

Cambi regularly provides consultants with technical insights, feasibility studies, and performance data, ensuring that our solutions are integrated effectively into plant designs.
We engage with industry experts through technical workshops, knowledge sharing sessions, and collaborative engineering projects to advance best practices in sludge treatment.

Construction and EPC companies

Engineering, procurement, and construction (EPC) contractors are essential in large-scale infrastructure projects such as wastewater treatment plant construction and upgrades.

Cambi collaborates closely with many local and international construction firms during tender processes, for project execution, and throughout commissioning to ensure that our THP technology is seamlessly integrated into new and existing facilities.
Grønn Vekst locates composting sites at construction companies' quarries to blend stonemeal into soil products. The approach reduces land use and logistics, minimising the associated environmental impacts.
By working directly with EPC companies, we help streamline manufacturing and installation processes, reduce project risks, and deliver long-term value for utilities and municipalities.

Regulators and environmental authorities

Setting the standards for wastewater treatment, biosolids reuse, and emissions reductions, government agencies and regulatory bodies are among our most strategically important partners.

Cambi engages with regulators to ensure compliance with national and international environmental laws, supporting municipalities and utilities in meeting sustainability targets.
We actively participate in policy discussions, regulatory workshops, and industry-wide sustainability initiatives to help shape the future of wastewater solids and waste management.

regulators and environmental authorities

Equipment and technology suppliers

Cambi relies on a network of high-quality suppliers to deliver reliable and efficient THP systems.

From steel and pumps to sensors and control systems, our suppliers play a key role in maintaining performance, innovation, and sustainability.
We work closely with strategic technology partners to ensure that our equipment meets strict quality and environmental standards, and we actively promote ethical sourcing and supplier sustainability practices.

Transport and logistics companies

Efficient and sustainable transport is crucial for biosolids and garden waste processing, equipment deliveries, and supply chain management.

Cambi works with logistics partners to optimise transportation routes and reduce emissions.
We explore low-carbon transport options and smart logistics planning to minimise the environmental footprint of our operations.

Research institutions and academia

Innovation is at the heart of Cambi's approach to sustainable wastewater sludge treatment.

We collaborate with universities, research institutes, and technical organisations to advance scientific knowledge on biosolids treatment, biogas production, and circular economy solutions.
Our partnerships include joint research projects, laboratory testing, pilot programs, and peer-reviewed studies, ensuring that Cambi remains at the forefront of technological advancements in the industry.

Local communities and citizens

Local communities have a vested interest in the sustainable functioning of nearby wastewater treatment plants, as they are concerned with odour control, environmental impact, and public health safety.

Cambi supports utilities in reducing odour emissions, improving biosolids treatment, and educating the public on the benefits of circular economy solutions.
Through public information campaigns, stakeholder dialogues, and collaboration with environmental organisations, we help municipalities in fostering greater community acceptance of sustainable wastewater solids management practices.