26 million years ago, the average winter temperature in the UK and Ireland was more than 18°C, about the same as today’s average summer temperature. During this period, carbon dioxide concentrations were like those of today and the next 50 years.

26 million years ago, the average winter temperature in the UK and Ireland was more than 18°C, about the same as today’s average summer temperature. During this period, carbon dioxide concentrations were like those of today and the next 50 years.

https://phys.org/news/2024-09-uk-ireland-climate-tropical-million.html

by The_Weekend_Baker