CO₂e stands for carbon dioxide equivalent. It is a standard unit used to measure the climate impact of different greenhouse gases in a consistent way. While CO₂ refers only to carbon dioxide, CO₂e includes carbon dioxide as well as other greenhouse gases, allowing impact to be communicated clearly and comparably to customers.
The carbon footprint shown at checkout is estimated based on the industry and the amount spent. ekko uses standardised industry classifications, known as Merchant Category Codes (MCCs), which are assigned to each transaction. These codes provide access to reliable, sector-level emissions data, which is combined with the transaction value to calculate the CO₂e estimate displayed to customers.
Reducing emissions through behavioural change is always the priority where possible. When this is not feasible, compensation allows customers to take responsibility for their remaining impact by supporting certified projects that remove, reduce or avoid greenhouse gas emissions. ekko enables this in a simple, transparent way at checkout.
Impact comparisons such as “as much as a tree can capture in a month” or “what a solar panel can avoid in a day” are designed to help customers understand their contribution in practical terms. These nature-based equivalents are based on scientific estimates from trusted sources. They are not exact measurements, but clear reference points that help make climate impact tangible and easier to communicate.
ekko works with trusted organisations to ensure every contribution drives real, measurable impact. Our network spans global leaders and grassroots initiatives, covering climate action, biodiversity, and pollution reduction.
Our Shopify checkout app supports Gold Standard for carbon credits and RSPB, Tusk and Prevented Ocean Plastic for contributions.
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