The sixth edition of the Clean Cities Spain ClimAccelerator is officially underway. This acceleration programme is specifically designed to support European startups offering concrete solutions to urban climate challenges.

The initiative is promoted by the Universidad Politécnica de Madrid (UPM) with the support of EIT Climate-KIC, Europe’s leading climate innovation community.

Who Can Participate?

The programme is looking for established startups operating within Europe. To apply, candidates must meet the following key requirements:

• Team: A dedicated working group consisting of at least two people.

• Focus: Innovative solutions aligned with urban sustainability and the fight against climate change.

• Development Stage: Startups with scalable business models that are ready for the market.

Key Information and Deadlines

• Deadline: Applications are open until March 23, 2026 (23:59 CET).

• Language: Given the international scope of the programme, applications must be submitted exclusively in English.

• Official Website: For full details and to submit your application, visit cleancities-accelerator.com