The Institute for Conservation Research of the Károli Gáspár Reformed University joined the Hungarian Cyclists' Club's initiative to promote urban cycling, the Bike Breakfast. Volunteers served breakfast to cyclists passing by the church on Kálvin Square, including many students from Károli.
The European Christian Environmental Network (ECEN) held its 2023 General Assembly from August 31st to September 3rd in Roskilde, Denmark, marking the 25th anniversary of the organization.