Around 250 million years ago, Earth was near-lifeless and locked in a hothouse state. Now scientists know why
https://theconversation.com/around-250-million-years-ago-earth-was-near-lifeless-and-locked-in-a-hothouse-state-now-scientists-know-why-260203Early Triassic super-greenhouse climate driven by vegetation collapse | Nature Communications
https://www.nature.com/articles/s41467-025-60396-y