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Zerofy calculates your mode of transport (car, train, bycicle, walking, etc.) and the distance from your motion activity. It classifies the type of motion and the distance to calculate CO2 emisssions based on these factors. In order to benefit from this feature, you need to set location and fitness motion access to "Always allow". All data will stay on your device, unless you activate an option to backup it on our server.

We partner with Climeworks to offer reducing your remaining carbon footprint by removing carbon from the air. Climeworks has more details on their website on the technology.