CO2.eu is a climate action platform that helps individuals and businesses understand and reduce their carbon footprint. It offers CO2 credits for households and companies, along with carbon consultancy, seminars and a business club called CO2 Knights. Visitors can also explore educational resources explaining what CO2 is, how it contributes to global warming, and what practical steps people can take to reduce emissions or purchase credits.

The platform combines climate information with actionable guidance. Its household and business tips outline ways to lower emissions, adopt more sustainable practices and strengthen corporate responsibility. CO2.eu also presents a portfolio of climate initiatives and says its approach prioritises the protection of irreplaceable carbon. Through its resources and services, the brand aims to help customers contribute to carbon reduction and broader climate action. It invites people to participate in a community focused on a more sustainable future and offers partnership opportunities for organisations seeking visibility, a stronger sustainability image and involvement in climate action. CO2.NL states that climate experts and eco-entrepreneurs support the platform.