An interesting Polish dataset of climate-change related posts for NLP analyses.

Ciechanowski, Leon; Mahmoudi, Amin; Ciechanowski, Kaśmir; Jastrzębski, Borys, 2026, “Climate Change Tweets Dataset: 21.5 Million Tweets with Stance (believer/denier) Annotations (2017–2019)”, https://doi.org/10.18150/OPSJCB, RepOD, V1