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Forest of green trees and grass showing healthy biodiversity

Forest of green trees and grass showing healthy biodiversity

Our Sustainability Commitment

At Costco, we are committed to doing the right thing by taking care of the people we work with, the communities we serve and the environment we all depend on. We take a holistic approach to operating sustainably across our business.

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Our Guiding Principles

For Costco to thrive, the world must thrive. We are committed to doing our part.
We focus on issues related to our business and where we can contribute to real, results-driven positive impact.
We do not have all the answers; we are learning as we go and seek continuous improvement.

Our sustainability efforts are grounded in Costco’s mission statement and Code of Ethics.

See Our Mission and Code of Ethics

Latest Updates

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An Update on Emissions

(August 2026) In an effort to be transparent, we are sharing our progress on our emissions reduction goals and steps we're taking to reach them.

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Three Tips for Sustainability-Conscious Shoppers

Certifiably good ideas to add to your shopping list.

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Could the Next Farming Frontier Be...The Open Ocean?

As demand for seafood grows, Costco supplier SalMar is pioneering a new way to farm salmon.

Costco 2025 Annual Sustainability Report

Explore Our Report