Who we help
Start with the decision you need to make.
Copper buyers & manufacturers
Compare product footprints and evaluate lower-carbon sourcing opportunities.
Rio Tinto / AWS (opens in a new tab)
Independent carbon and water intensity validation of Nuton copper.
RMI / BHP / AWS (opens in a new tab)
Independent copper emissions data supporting book-and-claim research and pilot development.
Mining companies & processors
Benchmark operations against peers and understand what drives performance.
Ivanhoe Mines (opens in a new tab)
Independent carbon intensity benchmarking for Kamoa-Kakula and Kipushi.
Teck Resources (opens in a new tab)
Skarn’s asset-level emissions intelligence supports copper and zinc peer benchmarking, as well as Scope 3 emissions accounting (opens in a new tab).
Investors, lenders & asset owners
Assess portfolio exposure and compare asset-level emissions on a consistent basis.
Royal Gold (opens in a new tab)
Asset-level emissions intelligence supporting royalty portfolio reporting.
Osisko Gold Royalties (opens in a new tab)
Skarn data used to quantify financed emissions across mining investments.
Triple Flag (opens in a new tab)
Independent asset-level data supporting investment-related Scope 3 emissions reporting.
Traders & intermediaries
Understand supply-chain emissions and support carbon-based differentiation in metals markets.
Trafigura (opens in a new tab)
Skarn’s independent carbon assessment referenced in a low-carbon copper transaction.
Fastmarkets (opens in a new tab)
Emissions benchmarking supporting proposed low-carbon nickel price assessment criteria.
Glencore (opens in a new tab)
Skarn commodity emissions curves used for upstream and downstream Scope 3 calculations.
Examples link to public third-party references. They do not imply endorsement of Skarn by the organisations named.
MeridianPCF · Launching at LME Week
Are you comparing copper suppliers on the same basis?
Supplier PCFs may use different boundaries, data sources and allocation rules. MeridianPCF is being developed to make those differences visible and comparisons more commercially useful.
Copper cathode PCFs from two suppliers
Illustrative dataAs reported, different boundaries
Cradle to gate, mine only
Cradle to gate, incl. refining
Comparable boundary
MeridianPCF
MeridianPCF
Different boundaries made Supplier A look lower. On one consistent boundary, the ranking reverses.
Global carbon intensity curve to benchmark your assets
- Portfolio average
- 2.41tCO₂e per tonne of product
- Market percentile
- 38th
- Lower is better
- Assets tracked
- 18
- Across 7 regions
Skarn Intelligence
Benchmark assets.
Understand portfolios.
One asset-level foundation to compare mines, smelters and refineries, understand performance drivers, and assess the combined position of a group of assets.
- Asset-level analysis
- Consistent definitions
- Traceable sources and estimates
- Independent interpretation

Apply the intelligence
Bring us the decision you’re facing.
We’ll tailor a demonstration to your commodities, assets and workflow.



