Applicants are encouraged to involve multiple cities and focus on innovation and new approaches to zero pollution policies. Projects should include collaboration with local authorities and stakeholders.
For other eligibility criteria, see https://research-and-innovation.ec.europa.eu/funding/funding-opportunities/funding-programmes-and-open-calls/horizon-europe/eu-missions-horizon-europe/climate-neutral-and-smart-cities_en#what-is-next.