Tomoki Iwakiri, Jong-Seong Kug, Fei-Fei Jin, Sen Zhao, Soon-Il An, Geon-Il Kim, Dongkyu Park. "Abrupt shift of El Niño periodicity under CO
                    <sub>2</sub>
                    mitigation." Proceedings of the National Academy of Sciences, 2025. doi:10.1073/pnas.2426048122