Carbon Footprint — Operations: How does BHP score?

BHP reports ~8 MtCO₂e Scope 1 emissions with GHG Protocol alignment and EY third-party assurance. 20+ years of granular, asset-level tracking. FY2025 shows 32% reduction from FY2020 baseline. Detailed methodology published annually with audited metrics.

Carbon Footprint — Supply Chain: How does BHP score?

BHP discloses 377.6 MtCO₂e Scope 3 emissions (FY2024) with all GHG Protocol categories detailed. Steelmaking from iron ore and coal represents 83% of Scope 3. Supplier engagement strategy targets top 500 suppliers (78% FY2025 spend). However, Scope 3 relies on industry averages and estimates rather than primary data.

Emissions Trajectory: How does BHP score?

Operational GHG (Scope 1&2) achieved 32% reduction from FY2020, surpassing FY2030 target of 30%. However, Scope 3 emissions (377.6 Mt, 97%+ of total) are intensity-based by 2030, not absolute reduction. Scope 3 linked to growing coal and iron ore production volumes with no evidence of absolute decline.

Energy Source: How does BHP score?

BMA achieved 100% renewable electricity arrangements (2024). Copper SA targeting ~70% renewable electricity by FY2030 via Neoen and Iberdrola PPAs. BHP targets 100% renewable electricity across operated assets by FY2030 where viable. Diesel haul trucks remain major energy source; displacement technologies deferred post-2030.

Nature & Biodiversity Impact: How does BHP score?

2030 Healthy Environment goal targets nature-positive outcomes with 30% land/water under conservation or regeneration. Piloting TNFD LEAP approach and reporting via GRI/SASB. However, mining inherently disrupts habitat. Samarco disaster caused catastrophic ecosystem damage across 600km of Doce River; full recovery unachieved.

Resource Use & Waste: How does BHP score?

BHP has adopted Global Industry Standard on Tailings Management with public GISTM disclosures. Partners with ICMM on acid rock drainage tools. However, mining generates vast waste rock and tailings by nature. Samarco failure demonstrated catastrophic tailings mismanagement. No comprehensive circularity targets or closed-loop systems across operations.

Water Impact: How does BHP score?

Water disclosure aligned with ICMM Good Practice Guide covering withdrawals, consumption, and discharge by quality type. FY2025 reports 60,860 ML other managed water discharged. Water Stewardship Position and Strategy published. WWF Water Risk Filter and catchment-level assessments conducted. Mining inherently water-intensive; operations in arid regions face material water stress.

Targets & Commitments: How does BHP score?

Medium-term: 30% operational GHG reduction by FY2030 (from FY2020). Long-term: net zero by CY2050. CTAP 2024 approved by 92% shareholder vote. SBTi has paused commitments for fossil fuel sectors including coal mining. Scope 3 goal is intensity-based. Technology delays increase post-2030 uncertainty. Carbon credits acknowledged as likely needed.

Transparency & Accountability: How does BHP score?

Annual sustainability disclosures across GRI, SASB, TCFD, ICMM. ESG Standards Databook provides granular data. EY independently assures metrics. Board climate/sustainability oversight documented. CTAP shareholder advisory vote (92% support). CEO and Executive Leadership Team accountable for targets. CEO/exec compensation linkage to sustainability not publicly detailed.

Controversies & Red Flags: How does BHP score?

2015 Samarco/Mariana dam disaster: Brazil's worst environmental disaster. 19 deaths, 50 million m³ toxic waste, 600km river contamination. November 2025 UK High Court found BHP strictly liable; ~$31.7B Brazil settlement agreed; UK lawsuit seeks £36B more. InfluenceMap: BHP holds memberships in 11 industry associations misaligned with Paris Agreement including Minerals Council of Australia and US Chamber of Commerce.

BHP Sustainability Score: 23/100

Recently scored: Next plc, Target Corporation, Rapanui Clothing, SHEIN

515 companies scored·27 score updates this week

BHP·Mining & Extraction·Melbourne, Australia·Founded 2001·Last verified 31 May 2026

out of 100

Significant gapsPending Review+2 since last review

BHP reports comprehensive climate data with verified operational emissions reductions, but Scope 3 emissions—97% of total—lack absolute reduction targets. The 2015 Samarco dam disaster killed 19 people and contaminated 600km of river; BHP faces £36 billion UK litigation. Industry association misalignment on climate policy undermines stated commitments.

No challenges currently filed

The calculation

Every score shows its working.

Same formula for every company. No curve. No private weighting.

SINK = (0.3 × Base + 0.7 × Performance) × Scale

Industry base impact

Mining & Extraction sector ceiling.

15 / 100

Performance score

Sum of the 10 rubric questions, scored 0–10 each.

48 / 100

Raw score

Weighted average before scale penalty.

(0.3 × 15) + (0.7 × 48) = 38.1

Scale penalty

Multiplier based on absolute emissions volume — physics-first.

× 0.6

Final score

Rounded. Significant gaps.

23 / 100

The ten questions

Where BHP is strong, and where it isn't.

Strongest on Carbon Footprint — Operations and Carbon Footprint — Supply Chain (8/10, 7/10). Weakest on Controversies & Red Flags and Targets & Commitments (1/10, 3/10).

Where the evidence comes from

Every document used, listed.

18 sources used in this assessment. All publicly available. Each row shows which rubric questions it informed.

[1]Self-reported

BHP Operational GHG Emissions

Ongoing

Every score shows its working.

Where BHP is strong, and where it isn't.

Every document used, listed.

Where BHP sits among mining & extraction peers.

BHP's score over time.

This score is not currently being contested.

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We'll let you know when the score moves.

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