Antofagasta scores 28/100 (Significant gaps) on SINK's independent climate assessment — scored from public data only, no company payment can change a number. Last verified August 2026.
That places Antofagasta joint 471st of 596 companies scored, and joint 2nd of 13 in Mining & Extraction.
Antofagasta has achieved 100% renewable electricity but Scope 1 diesel emissions rose 10.4% since 2022. Water regulatory fines, rising absolute waste, and incomplete supply chain disclosure undermine claims of progress. Recent Chilean enforcement action and ecosystem lawsuits expose operational risks in water-stressed mining regions.
This score is built from public data only. If your practice is stronger than your disclosure, submit evidence for review — or challenge any question, free.
Same formula for every company. No curve. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleStrongest on Energy Source and Carbon Footprint — Operations (7/10, 6/10). Weakest on Controversies & Red Flags and Nature & Biodiversity Impact (3/10, 3/10).
12 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.
7 of 12 sources are third-party verified or public record.
“In 2024, the total Scope 1 emissions of Antofagasta were 1,228,924 metric tons of CO₂ equivalent”
“The company has not disclosed any Scope 3 emissions data for this year [2023]”
“suppliers of goods and services represent more than 50% of our total Scope 3 emissions”
“Mining Division emissions intensity was 1.91 tonnes of CO₂e per tonne of copper produced, compared with 1.75 tonnes of CO₂e per tonne in 2024”
“Since April 2022, all our mining operations have had renewable energy contracts (Scope 2)”
“has the most substantial opportunity to improve in the ecosystems and biodiversity area”
“27,440 hectares Los Pelambres protected area in the Choapa Valley (Coquimbo region) six times larger than the area used by the mine”
“In 2023, the Group generated 556 million tons of waste, most of which corresponded to mining waste”
“fined Antofagasta about $775,000 on January 23, 2026 for failing to properly follow water management protocol”
“Chile has launched legal action against the mines operated by BHP, Antofagasta and Albemarle on the grounds of alleged 'environmental damage'”
“The use of sea water as a proportion of total withdrawals increased to 63% in 2025 (2024: 58%)”
“SBTi · Not Committed · CDP Climate · Not disclosed”
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Where Antofagasta sits among mining & extraction peers.
Among the 13 major mining & extraction brands we've scored, Antofagasta is tied =2nd of 13, with 1 other.
Score history begins —.
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Antofagasta plc is a London-headquartered copper and molybdenum mining company operating four mines across Chile's Atacama Desert and Choapa Valley. It is a significant global copper producer with ~5,637 employees and operations spanning exploration, development, and production in some of the world's most water-stressed regions.
Peer global diversified miner; co-defendant in Salar de Atacama aquifer lawsuit.
View breakdown →Comparable large-scale copper and minerals producer with similar water and biodiversity risk profile.
View breakdown →Multinational mining and commodities trader; faces analogous water stress and regulatory scrutiny.
View breakdown →Major diversified mining group; operates in water-stressed regions with similar ESG accountability gaps.
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