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Sustainability comparison

AT&T vs Verizon Communications Sustainability: SINK Score Comparison

Telecommunications
AT&T
37
out of 100
Below expectations
Higher score
Telecommunications
Verizon Communications
39
out of 100
Below expectations

Verizon Communications scores 2 points higher than AT&T on SINK's sustainability index.

Question-by-question

How each category compares

Category
AT&T
Verizon
Carbon Footprint — Operations
8/10
8/10
Carbon Footprint — Supply Chain
7/10
7/10
Emissions Trajectory
4/10
6/10
Energy Source
4/10
6/10
Nature & Biodiversity Impact
4/10
4/10
Resource Use & Waste
5/10
4/10
Water Impact
4/10
5/10
Targets & Commitments
6/10
7/10
Transparency & Accountability
6/10
5/10
Controversies & Red Flags
3/10
4/10
Full AT&T breakdown →Full Verizon Communications breakdown →
Frequently asked

AT&T vs Verizon Communications, answered.

Which is more sustainable, AT&T or Verizon Communications?

Verizon Communications is more sustainable according to SINK's open sustainability index, scoring 39/100 vs AT&T's 37/100, a difference of 2 points.

What is AT&T's SINK sustainability score?

AT&T scores 37/100 on the SINK sustainability index (Below expectations). AT&T's climate performance is undermined by rising Scope 3 emissions and weak renewable energy adoption despite Scope 1–2 reductions. Lead-cable litigation, active lobbying against climate policy, and incomplete waste tracking expose governance gaps.

What is Verizon Communications's SINK sustainability score?

Verizon Communications scores 39/100 on the SINK sustainability index (Below expectations). Verizon cut market-based operational emissions 73% since 2019, mostly through renewable energy certificates; location-based emissions fell only 17%. Upstream Scope 3 fell 40% from 2019 while downstream rose 15%, and Scope 1 rose in 2025. Its nature work is a 2024 pilot assessment with no published results. Lead-cable litigation and membership of trade groups that oppose climate policy weigh on its record.

How does SINK compare AT&T and Verizon Communications?

Both companies are rated on the same 10-question SINK rubric: Scope 1/2/3 carbon footprint, energy source, nature and biodiversity, resource use, water, emissions trajectory, science-based targets, transparency, and controversies. Scores are 0–100, based on public data, and fully reproducible.

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