27

Walmart

Pending Review
🛒 Retail (non-fashion)USSignificant gaps
~2,100,000 employees~$681B revenue652.2Mt CO₂e totalRanked #251 of 322Website ↗

Walmart is a retail (non-fashion) company headquartered in US with total reported emissions of 652.2Mt CO₂e per year. Based on our 10-question rubric, Walmart scores 27/100 — rated as showing significant gaps in its sustainability performance.

SINK Score Breakdown

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

Base Impact
48
Retail (non-fashion) industry ceiling
Performance
44/100
10 questions scored below
Scale Penalty
0.6x
emissions volume multiplier
SINK Score
(0.3 × 48 + 0.7 × 44) × 0.6 = 27

Emissions Breakdown

Scope 1
9.0Mt
Direct emissions
Scope 2
6.6Mt
Energy (purchased)
Scope 3
636.6Mt
Value chain
Total
652.2Mt
CO₂e per year

10-Question Rubric Breakdown

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

Q1
7/10
Carbon Footprint — Operations
Q2
5/10
Carbon Footprint — Supply Chain
Q3
2/10
Emissions Trajectory
Q4
5/10
Energy Source
Q5
4/10
Nature & Biodiversity Impact
Q6
4/10
Resource Use & Waste
Q7
3/10
Water Impact
Q8
4/10
Targets & Commitments
Q9
6/10
Transparency & Accountability
Q10
4/10
Controversies & Red Flags

Community Verification

0 verifications · 0 challenges · Scored using SINK editorial review

Last scored: 4 Apr 2026
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