1 Comment

1. Yukon Jack on September 19, 2019 at 3:05 am

   For 50 million years the earth entered a long cooling trend that started in eocene optimum:

   http://jonova.s3.amazonaws.com/graphs/lappi/65_Myr_Climate_Change_Rev.jpg

   The latest Ice Age started 2.6 million years ago, see this chart:

   https://soulinthehologram.files.wordpress.com/2018/04/5-million.jpg?w=640&h=289

   Since the Holocene optimum (highest interglacial temps), it has cooled:

   Steady cooling for the past 8,000 years

   https://www.iceagenow.info/wp-content/uploads/2019/08/Steady-cooling-for-8000-years.png

   https://www.iceagenow.info/steady-cooling-for-the-past-8000-years/