(Nothing new for those tracking this debate for any length of time. But not everyone has.)

Yes, Earth had that 250m years ago, when it was too hot even for peat swamps.
From NOAA.

(from last week with editorial UPDATE to original article responding to climate change deniers)

https://www.climate.gov/news-features/climate-qa/whats-hottest-earths-ever-been

The editors added that this older article doesn’t prove the current ramp is natural.
I think its also fair to say it doesn’t prove that its not.
It certainly supports those who say if its catastrophic, its potentially TO THE DOWN SIDE.

“Between 600 and 800 million years ago — a period of time geologists call the Neoproterozoic — evidence suggests the Earth underwent an ice age so cold that ice sheets not only capped the polar latitudes, but may have extended all the way to sea level near the equator.”

Greta will soon be blaming catastrophic global cooling on humans.