Overview
Making the hidden cost of food visible
Short description (132 char limit): Reveals the hidden environmental cost of frozen foods in your Walmart cart using peer-reviewed climate science. Detailed description: CO2PID converts the carbon emissions, water usage, and land impact of every frozen food item in your Walmart cart into real dollar amounts — showing you what your groceries truly cost the planet. Built on peer-reviewed science from Poore & Nemecek 2018 (Science journal, 38,700 farms, 119 countries), CO2PID uses the EPA's Social Cost of Carbon ($185/ton), Water Footprint Network scarcity pricing, and TEEB ecosystem valuations to calculate hidden environmental costs. Features: Hidden cost badges injected directly into your Walmart cart page Letter grades (A-F) for every frozen food product Expandable breakdown showing carbon, water, and land costs Real-time quantity tracking — costs update when you click +/- TRUE COST display next to Walmart's Estimated Total 40 rotating science-backed sustainability tips Justice Score mapping 15 major food companies to ESG data Full transparent methodology page 57 frozen food archetypes with brand fallback detection 100% client-side — zero API calls, zero data collection, zero tracking Works on walmart.com/cart. Built with vanilla JavaScript, Chrome Manifest V3.
Details
- Version1.0
- UpdatedFebruary 16, 2026
- Offered byemdyapermuy11
- Size21.4KiB
- LanguagesEnglish
- Developer
Email
epermuy@terpmail.umd.edu - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
CO2PID has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
CO2PID handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
