Fresnillo sustainability score: 29/100
Better than 83% of Mining & Extraction
Below expectations starts at 31. The highest score on SINK is 71.
Fresnillo plc is a London-listed precious metals mining company operating in Mexico, producing silver and gold from open-pit and underground mines across ~2.1 million hectares. A subsidiary of Grupo Peñoles, it is one of Mexico's largest silver producers and a significant global gold miner.
Head office MXStaff ~18,000Revenue ~US$3.6BWebsite ↗
Fresnillo is a large Mexican precious metals miner with material environmental and compliance gaps. Absolute emissions flat despite renewable electricity gains; court-ordered environmental remediation at Ejido El Bajío unresolved; $630M liability omitted from investor disclosures. No SBTi targets. Biodiversity footprint unquantified.
Fresnillo scores 29/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified October 2026.
That places Fresnillo joint 753rd of 1,023 companies scored, and 3rd of 13 in Mining & Extraction.
What is Fresnillo doing well, and where does it fall short?
Strongest on Carbon Footprint: Operations and Energy Source (7/10, 7/10). Weakest on Nature & Biodiversity Impact and Targets & Commitments (3/10, 3/10).
Where Fresnillo lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
What would raise this score
- Its effect on natureAssess its effect on nature and publish a basic environmental policy.
- Its climate targetsSet specific targets with dates.
- Its record on controversiesDeal with the findings under question 10, in public.
Every question that lost points
- Emissions from its own operations7/10Its own emissions aren't independently verified or tracked over several years.
- Emissions from its supply chain4/10Most of its supply-chain (Scope 3) emissions aren't measured.
- Whether its emissions are falling4/10No evidence of a year-on-year fall in its total emissions.
- How clean its energy is7/10Less than 90% of its energy shown to be renewable.
- Its effect on nature3/10No assessment of its effect on nature, and no basic environmental policy.
- How it uses materials and handles waste4/10No measurable waste or recycling targets reported publicly.
- Its effect on water4/10No measured water footprint with reduction targets.
- Its climate targets3/10No specific targets with dates.
- How openly it reports5/10No dedicated sustainability role, board oversight or public report.
- Its record on controversies3/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is Fresnillo's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleHas Fresnillo's score changed?
Fresnillo's score has moved from 20 to 29 across 3 recorded reviews, up 9 points.
- 24 → 29+53 October 2026
Aggregator-citation sweep: broker citations replaced with the primary disclosures they mirror, re-scored through the guarded pipeline under pinned code 9196601.
- 20 → 24+418 August 2026
Direction-blind emissions retrieval (agent-fed): basis not-retrieved->disclosed, scale 0.7->0.82, score 20->24. Primary: Fresnillo plc Annual Report 2025 (EY-assured ESG KPI data table).
- Scored 2010 August 2026
Initial public score 20 (publish-draft)
What evidence is Fresnillo's score based on?
12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
50% of them were published by Fresnillo itself; the rest come from independent sources.
6 of 12 sources are independent of the company.
“GHG emission intensity index to 0.0182 tCO2e per tonne of mineral processed”
“Scope 1 GHG Emissions, Scope 2 GHG Emissions, GHG Intensity (Scope 1 and 2) per tonne of mineral processed, Energy Use”
“carbon intensity, which has already seen a 28% decrease versus 2023”
“Scope 1 emissions | 469 122 | ton CO2e | 2024 | 46566-fresnillo-ar24-web.pdf | 110”
“During 2024 99.6% of the production were sold to Peñoles' metallurgical complex, Met-Mex”
“Fresnillo's recent statements to investors do not disclose the purported liability”
“Court confirms UK-registered company owes farmers in El Bajío over £5 million for gold illegally extracted”
“In the case of El Bajío, the struggle of the ejidatarios has left a balance of three people murdered”
“invaded, destroyed and contaminated the community's territory to extract gold and silver”
“biodiversity stewardship and reforestation activities”
“To date, there have been no significant environmental accidents at any of our tailings facilities”
If you believe a source has been misread or a newer version exists, submit a challenge.
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How does Fresnillo compare with other mining & extraction companies?
Where Fresnillo sits among mining & extraction peers.
Among the 13 major mining & extraction brands we've scored, Fresnillo sits 3rd of 13.
Who scores higher in Mining & Extraction?
The 2 companies in the sector scoring nearest above Fresnillo.
Harmony Gold publishes comprehensive climate and ESG reporting with SBTi-validated targets, but will miss its FY26 interim emissions milestone.
See the breakdown →Antofagasta has achieved 100% renewable electricity and set a 50% Scope 1+2 reduction target by 2035, but Scope 1 emissions are rising with production growth.
See the breakdown →Which companies moved this week, and why.
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