Costco Wholesale

◌ Pending Review

🛒 Retail (non-fashion)USSignificant gaps

~341,000 employees~$275B revenue182.4Mt CO₂e totalRanked #274 of 323Website ↗

Costco Wholesale is a retail (non-fashion) company headquartered in US with total reported emissions of 182.4Mt CO₂e per year. Based on our 10-question rubric, Costco Wholesale scores 24/100 — rated as showing significant gaps in its sustainability performance.

SINK Score Breakdown

How we calculated Costco Wholesale's score using our formula: (0.3 × Base + 0.7 × Performance) × Scale Penalty

Base Impact

Retail (non-fashion) industry ceiling

Performance

36/100

10 questions scored below

Scale Penalty

0.6x

emissions volume multiplier

SINK Score

(0.3 × 48 + 0.7 × 36) × 0.6 = 24

Emissions Breakdown

Scope 1

1.3Mt

Direct emissions

Scope 2

1.3Mt

Energy (purchased)

Scope 3

179.6Mt

Value chain

Total

182.4Mt

CO₂e per year

10-Question Rubric Breakdown

Click any question to see the reasoning, sources and community challenges.

5/10

Carbon Footprint — Operations

4/10

Carbon Footprint — Supply Chain

2/10

Emissions Trajectory

3/10

Energy Source

2/10

Nature & Biodiversity Impact

4/10

Resource Use & Waste

3/10

Water Impact

3/10

Targets & Commitments

4/10

Transparency & Accountability

Q10

6/10

Controversies & Red Flags

Community Verification

0 verifications · 0 challenges · Scored using SINK editorial review

Last scored: 4 Apr 2026

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