This seems to be about https://en.wikipedia.org/wiki/Permian%E2%80%93Triassic_extinction_event https://en.wikipedia.org/wiki/Permian%E2%80%93Triassic_extin....

This seems to be about https://en.wikipedia.org/wiki/Permian%E2%80%93Triassic_extinction_event https://en.wikipedia.org/wiki/Permian%E2%80%93Triassic_extin.... Yep, direct paper link (Early Triassic super-greenhouse climate driven by vegetation collapse): https://www.nature.com/articles/s41467-025-60396-y https://www.nature.com/articles/s41467-025-60396-y