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Your projects:
net zero,
defensibly
Earthly gives developers, contractors and asset managers high-integrity, Keystone 3.0-assessed nature-based carbon credits to back net zero building claims, with the audit-ready documentation your certifiers, lenders and CSRD reports require. Fewer than 9% of the projects we assess pass.
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The challenge:
Embodied carbon in the built environment
Operational carbon gets the headlines but can be easier to control. Embodied carbon - the emissions locked into materials, construction and demolition - typically accounts for 50–80% of a building's whole-life footprint. As net-zero-building certifications, investor requirements and CSRD disclosures tighten, the question is no longer whether to address embodied carbon, but how to do it credibly. Once reductions are maximised, high-integrity carbon credits are the recognised route for residual emissions, and nature-based credits are among the most scalable. But credit quality varies enormously.
Did you know?
Earthly can also provide off-site BNG units and voluntary biodiversity credits. We’ve screened more than 1,000 nature projects, and fewer than 9% pass our assessment.
Net zero building claims that won't survive scrutiny
Net zero claims under the UKGBC Net Zero Carbon Buildings Framework require residual embodied carbon to be offset with evidenced, high-integrity credits. Low-quality credits expose you to greenwashing risk and rejected claims.
Investor and lender pressure on asset-level carbon data
Green loan frameworks, sustainability-linked lending and GRESB benchmarking increasingly require asset-level nature and carbon evidence.
CSRD and TNFD disclosure without the underlying data
CSRD disclosures now need limited assurance. Your sustainability report needs audit-ready carbon data, not claims from projects you can’t independently evidence.
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How it works
Due diligence, done
Every project on the Earthly marketplace is assessed against Keystone 3.0, covering carbon, biodiversity and people. For built environment clients, that means the credit behind your net zero building claim has been checked by us, and verified under its carbon standard, before you buy it.
Comprehensive project assessments
Our assessment covers 168 data points, drawing on BeZero, Google Earth Engine and independent ecological surveys, so your ecologists and legal team have the evidence they need.
Transparent scoring methodology
Keystone 3.0 assesses carbon, biodiversity and people together. Every project gets a transparent, board-ready score, with the evidence behind each rating open to you.
Your investments de-risked
Each credit purchase is logged against specific buildings or projects on an Impact Dashboard - giving you asset-level carbon evidence you can share with certifiers, lenders, investors and auditors.
Built for scrutiny
Why Earthly?
Every project on the Earthly marketplace has passed Keystone 3.0, and fewer than 9% of the projects we assess do. Each project gets a transparent, board-ready score - so your procurement team can select with confidence and your sustainability report stands up to scrutiny. Your purchases are logged on your Impact Dashboard, ready to share with certifiers, lenders, investors and occupiers.
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Case study: Kingsbridge Estates
Delivering net zero embodied carbon at Ferne Park
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Tom Newman
Development Manager
Kingsbridge Estates
"By working with Earthly, we were able to measure, reduce, and balance embodied carbon to the highest UKGBC standard, giving us and our stakeholders confidence that our climate actions are transparent, credible, and impactful."
UK developer Kingsbridge set out to create one of the most sustainable industrial developments in the country - targeting net zero embodied carbon alongside BREEAM ‘Outstanding’ and EPC A+ ratings. But, like most construction projects, not all emissions could be eliminated.
To address this, Kingsbridge partnered with Earthly to measure, reduce, and balance the project’s embodied carbon footprint through high-integrity nature-based solutions.
Through Earthly, Kingsbridge's Ferne Park has balanced 4,401 tCO₂e of embodied carbon through verified nature-based projects, achieving net zero embodied carbon status alongside BREEAM Outstanding, EPC A+, and 25% biodiversity net gain - exceeding the statutory BNG requirement by 15 percentage points.
Even with ambitious design and material choices, residual emissions remained. By identifying and addressing these through credible nature-based solutions, Ferne Park demonstrates how net zero buildings can be achieved.
Through Earthly, Kingsbridge is supporting the following projects:
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Regenerative Farming - Indo-Gangetic Plains, India
Kingsbridge’s contribution supports an initiative restoring farmland across 41,000 hectares, avoiding crop-residue burning, improving water efficiency by 22%, and boosting incomes for thousands of smallholder farmers.
Discover the project & its score)
Peatland Protection - Rimba Raya, Indonesian Borneo
Kingsbridge’s contribution supports a project protecting over 47,000 hectares of tropical peatland forest, expected to avoid more than 100 million tonnes of CO₂ over its lifetime, and supporting local communities with clean energy and healthcare.
Discover the project & its scoreClose your residual embodied carbon gap
Tell us about your development and its residual emissions, and we’ll shortlist Keystone 3.0-assessed credits with the documentation to back your claim.
<9%
of projects we assess pass Keystone 3.0
168
data points analysed via our assessment
CSRD
-ready documentation for reporting
TNFD
-aligned framework for disclosure
900+
businesses trust Earthly's expertise
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