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Climate Ground Discuss your evidence needs

    Auditable evidence for climate and nature projects.

    Satellite observations, field records and laboratory results, gathered into evidence that independent verifiers can check. Every figure is labelled, sourced and given its uncertainty.

    The problem we work on

    A claim is only as strong as the evidence behind it

    Buyers, registries and governments now ask the same questions of every climate or nature claim. We prepare the evidence that answers them, and leave the verdict to independent verifiers.

    1. Where is it?The parcel, its boundary and the season, recorded on the ground.
    2. What was done?The practice, recorded in the field and cross-checked from space.
    3. What changed, and how sure are we?The measured or modelled change, its uncertainty and the conservative figure.
    4. Who checked it?Every gap and disagreement shown, with who reviewed it, ready for an accredited verifier.

    How it works

    Observe, measure, test, report

    Three kinds of evidence come in. One evidence pack goes out, with every figure labelled, sourced and given its uncertainty.

    1. ObserveSatellites and radarSee every field, every few days, including through cloud.
    2. MeasureSensors and farmersRecord soil, water and practice on the ground.
    3. TestLaboratoriesAnchor soil carbon and calibrate the models.
    4. ReportEvidence packA record a verifier can audit, line by line.
    Evidence typeMeasuredModelledEstimated
    Review statusReviewedPending review

    Evidence in action · 01 Soil

    A season's record, gaps included

    Plot SC-0217 is a 2.4-hectare concept field followed for one season. Cloud blocks the optical satellite for 19 days, so those values are estimated and drawn dashed. A radar pass disagrees with a farmer's photograph, and nothing is counted until a person has reviewed it.

    Modelled change
    1.10 t CO₂e/haModelled
    Uncertainty
    ±52%Estimated
    A claim would use
    0.53 t CO₂e/haLower end of the range

    Ready for independent verification. Not a verified credit.

    Follow the soil example step by step
    ILLUSTRATIVE · CONCEPT FIELDSC-0217 · 2.4 ha10 m optical pixelsS1S2S3S4S5N-02Optical satellite passSoil core, laboratoryField node, moisture and temperatureFarmer photographRadar pass, sees through cloudGround cover, % of field0%25%50%75%100%SepOctNovDecJanFebMarAprMayJunSeason 2026–27 · illustrativeCores taken, cover sownCover crop endedSpring crop drilledHarvestCloud gap · 19 days · values estimatedReviewedRadar, 27 Dec: bare soilFarmer photo, 28 Dec: coverREVIEWEDSurface water affected the radar.
    ILLUSTRATIVE · CONCEPT FIELDSC-0217 · 2.4 ha10 m optical pixelsS1S2S3S4S5N-02Optical satellite passSoil core, laboratoryField node, moisture and temperatureFarmer photographRadar pass, sees through cloudGround cover, % of field0%25%50%75%100%SepOctNovDecJanFebMarAprMayJunSeason 2026–27 · illustrativeCover sownCover endedDrilledHarvestCloud gap · 19 daysvalues estimatedReviewedRadar, 27 Dec: bare soilFarmer photo, 28 Dec: coverREVIEWEDSurface water affected the radar.
    Illustrative. A concept field, not a real site, and not farming advice.

    Evidence in action

    One evidence approach, four applications

    Four illustrative examples of how one digital twin and one evidence record could serve different decisions. They describe a proposed service, not live monitoring.

    1. 01SoilCan the field record support the soil-carbon claim?Illustrative example
    2. 02AgroforestryWhat should go where, and how will we know the design is working?Proposed extension
    3. 03Farmer alertsHow does a change in the evidence lead to a useful action?Service concept
    4. 04Government reportingWhat can a government learn from many checked field records?Illustrative programme
    Explore all four examples

    Why now

    Buyers now pay for evidence, and the rules for digital measurement are being set

    Nearly 2×

    Higher-rated carbon credits averaged US$6.8 a tonne in 2025, against a market average of US$3.5.

    Source: MSCI, Carbon credits come of age in 2025, January 2026

    Over half

    Measurement, reporting and verification can account for more than half the cost of some carbon removal methods, soil carbon among them.

    Source: LSE Grantham Research Institute, October 2024

    16

    Recommendations on integrity in digital measurement, reporting and verification, published by the Integrity Council for the Voluntary Carbon Market with the World Bank.

    Source: ICVCM, September 2026

    Who it is for

    For everyone who has to rely on the evidence

    We prepare the evidence. Accredited, independent bodies verify it. We never describe our own evidence as verified.

    How the roles fit together

    • Project developersEvidence packs and monitoring reports that are ready for an accredited verifier.
    • Buyers of credits and nature outcomesClaims that trace back to a parcel, a source and a method.
    • Food and drink companiesFarm-level evidence for supply-chain programmes, outcome by outcome.
    • InsurersA record of what was done on each field, when, and from which sources.
    • GovernmentsChecked field records summed into district and national reporting. For governments
    • Farmers and field teamsAdvice drawn from the same evidence, back to the people who do the work.

    Next step

    Bring your evidence question

    Tell us about the decision or the report the evidence needs to support, and what evidence you hold today.

    Discuss your evidence needs Looking for programme finance? Visit Climate Securities