What’s the coldest Earth has ever been?

Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…

Atmospheric CO2 will pass an alarming milestone in 2021

In 2021, atmospheric carbon dioxide concentration will be 50% higher than preindustrial levels, despite reduced emissions during the pandemic and a natural cooling event. Source: https://www.livescience.com/co2-concentration-rising-past-alarming-threshold.html

Carbon Engineering’s Tech Will Suck Carbon From the Sky

“It’s not enough to slash greenhouse gas emissions,” warns a new article in IEEE Spectrum (shared by schwit1). “Experts say we need direct-air capture of atmospheric carbon.” West Texas is a hydrocarbon hot spot, with thousands of wells pumping millions of barrels of oil and billions of cubic feet of natural gas from the Permian Basin. When burned, all that oil…