The 4th Baltic Earth Conference, organised by the Earth System Science for the Baltic Sea Region (Baltic Earth), will take place in Jastarnia, Hel Peninsula, Poland from 30th May 2022 to 03rd June 2022. The conference covers the topics of the Baltic Earth Assessment Reports (BEAR), which reflect the majority of grand challenges and research themes of Baltic Earth over the past nine years. Some topics to be discussed are natural hazards and extreme events, sea level dynamics and coastal erosion, sustainable management options, analyzing and modeling past and future climate changes among others.