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.
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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. Fees pay for the review, never the result. Last verified October 2026.
That places Fresnillo joint 634th of 847 companies scored, and 3rd of 14 in Mining & Extraction.
Where Fresnillo sits among mining & extraction peers.
Among the 14 major mining & extraction brands we've scored, Fresnillo sits 3rd of 14.
Its three lowest-scoring questions, and what the evidence didn't show.
No TNFD disclosure or deforestation-free commitment verified.
35% GHG reduction by 2030 (self-set, baseline unclear).
2014 Mexican Agrarian Court ruled in all 67 cases that subsidiary Penmont operated Soledad-Dipolos mine without authorisation; ordered remediation and return of extracted gold.
A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.
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Get in touch →Strongest on Carbon Footprint — Operations and Energy Source (7/10, 7/10). Weakest on Nature & Biodiversity Impact and Targets & Commitments (3/10, 3/10).
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 →Fresnillo's score has moved from 20 to 29 across 3 recorded reviews, up 9 points.
Aggregator-citation sweep: broker citations replaced with the primary disclosures they mirror, re-scored through the guarded pipeline under pinned code 9196601.
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).
Initial public score 20 (publish-draft)
The formula and all 12 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
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.
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.
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