ArcelorMittal sustainability score: 21/100
ArcelorMittal is a steel and mining company headquartered in Luxembourg. It runs integrated and mini-mill steelmaking in 14 countries and mines iron ore.
More about ArcelorMittal
It reported $61.4 billion sales in 2025 and about 125,554 employees.
Founded 2006Head office Luxembourg, LuxembourgStaff ~125,554 (2025)Revenue $61,352M sales (FY2025)Website ↗
ArcelorMittal's Scope 1 and 2 emissions were 99.2 million tonnes in 2025 and its reported Scope 3 98.7 million, about 198 million in all. It cut its 2030 target from a 25% to an 'up to 10%' reduction in Scope 1 and 2 intensity, dropped its 35% Europe target, and in 2025 abandoned planned low-carbon steel plants at Bremen, Eisenhüttenstadt and Dunkirk. It has paid fines for air pollution in France and Ukraine, and LobbyMap records it calling for the EU ETS to be suspended.
ArcelorMittal scores 21/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Scores are free. Companies can never pay for anything about their own score. Last verified November 2026.
That places ArcelorMittal joint 884th of 934 companies scored, and 2nd of 2 in Metals & Smelting.
What is ArcelorMittal doing well, and where does it fall short?
Strongest on Carbon Footprint: Operations and Carbon Footprint: Supply Chain (7/10, 6/10). Weakest on Targets & Commitments and Controversies & Red Flags (2/10, 2/10).
Where ArcelorMittal lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
- Emissions from its own operations7/10Its own emissions aren't independently verified or tracked over several years.
- Emissions from its supply chain6/10No full value-chain map or supplier engagement programme.
- Whether its emissions are falling5/10No evidence of a year-on-year fall in its total emissions.
- How clean its energy is3/10No renewable energy tariff or major efficiency investment shown.
- Its effect on nature3/10No assessment of its effect on nature, and no basic environmental policy.
- How it uses materials and handles waste5/10No measurable waste or recycling targets reported publicly.
- Its effect on water3/10No monitoring of water use, or no measures to reduce it.
- Its climate targets2/10No specific targets with dates.
- How openly it reports6/10No annual impact report, or no pay linked to climate targets.
- Its record on controversies2/10Points 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 ArcelorMittal's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleHas ArcelorMittal's score changed?
ArcelorMittal's score has moved from 15 to 21 across 2 recorded reviews, up 6 points.
- 15 → 21+64 November 2026
owner 2026-11-04: re-scored v2.5 (batch 3); 15→21. Sector corrected Mining & Extraction → Metals & Smelting (steel 78.9% of FY2025 sales, 20-F); emissions corrected 102 Mt → 197.9 Mt (2025 Sustainability Report). Sector corrected "Mining & Extraction" (base 15) → "Metals & Smelting" (base 20), sourced from ANNUAL-REPORT Metals & Smelting 78.9% of revenue (p.p.211, Note 3.3 Sales by type of products (2025 column, US$ millions). Also p.3: 'ArcelorMittal is one of the world’s leading integrated steel and mining companies ... ArcelorMittal has steel-making operations in 14 countries, including 34 integrated and mini-mill steel-making facilities.')
- Scored 154 April 2026
Initial score at platform launch
What evidence is ArcelorMittal's score based on?
17 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
6% of them were published by ArcelorMittal itself; the rest come from independent sources.
16 of 17 sources are independent of the company.
“CO2e footprint Million tonnes ArcelorMittal Scope 1+2 135.5 105.9 99.1 101.4 98.3”
“Scope 1 and 2 emissions from 188 million tonnes CO 2 e in 2018 to 98.3 million tonnes CO 2 e in 2025”
“From 2018 levels, the CO2e intensity has decreased by only 5.4% globally and 5.0% in Europe.”
“Illegal pollution, drinking water piracy and deforestation: steel giant ArcelorMittal, a 2024 Olympics partner, behaves in France and other countries like a repeat environment offender”
“cut its 2030 emissions intensity reduction target from 25% to up to 10%, while dropping its Europe-specific target of 35% altogether”
“In March 2026, the company disclosed a partial list of its industry association memberships, however excluding 16 groups which are actively engaged on climate policy”
“will not proceed with previously announced direct-reduced iron (DRI) and electric arc furnace (EAF) decarbonisation projects at Bremen and Eisenhuttenstadt in Germany”
“ArcelorMittal has confirmed the cancellation of plans to build a direct reduced iron (DRI) plant and hydrogen facility in Dunkirk, France.”
“The State Environmental Inspectorate fined ArcelorMittal Kryvyi Rih over 10 million UAH for harmful air emissions.”
“In Brazil, its biocharcoal supplier Aperam has been accused by Mongabay of depleting groundwater and biodiversity through eucalyptus plantations”
“sentenced the company to a €150,000 fine for “discharging a harmful substance into groundwater” on 12 August 2019”
“with 1.9GW (1.6GW on an equity basis) of solar, wind and hybrid capacity now commissioned across India, Brazil and Argentina”
“The company reported a 47.7 percent reduction in absolute emissions since 2018, with carbon intensity reaching 1.79 mt CO₂ per mt of crude steel”
“citing high energy costs and turning down 1.3 billion euros of subsidies”
“ArcelorMittal has been indicted for endangering lives, forgery and environmental damages in connection with industrial pollution in the Fos-sur-Mer region in France”
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How does ArcelorMittal compare with other metals & smelting companies?
ArcelorMittal sits at the bottom of the metals & smelting pack.
Among the 2 major metals & smelting brands we've scored, ArcelorMittal sits 2nd of 2.
Who scores higher in Metals & Smelting?
The one company in the sector scoring above ArcelorMittal.
See the full Metals & Smelting table →Which companies moved this week, and why.
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