Retraction Note: Carbon dioxide methanation on heterogeneous catalysts: a review - Cham Q. Pham; Mahadi B. Bahari; Ponnusamy Senthil Kumar; Shams Forruque Ahmed; Leilei Xiao; Sunil Kumar; Amjad Saleh Qazaq; Tan Ji Siang; Huu-Tuan Tran; Aminul Islam; Adel Al‑Gheethi; Yasser Vasseghian; et al. (Environmental Chemistry Letters, 2026)