CO2mmon is a new generation loyalty system based entirely on the CO2 you save. Our app measures and rewards your eco-friendliness in activities such as cycling, using public transportation or purchasing food. You can redeem the greencents you earned for eco-friendly products and services offered by our partners: cafés, restaurants, public transportation of partner cities, shops, bike repair shops etc. Contact us if you own a business and want to your eco-friendly offer with our users!