“The medieval warm period” was the time when English kings grew their own wine, and Vikings settled on Greenland. It lasted three centuries from around 950 to 1250, when climate […]
In the previous posts, we looked at how the big theater of plate tectonics has created both ice ages and hot greenhouses on Earth. Now, we will get back to […]
Environmental activists sometimes scare us with the prospect of a runaway greenhouse: If we continue to spew out CO2, the Earth may become so hot that it is uninhabitable. Looking […]
Climate change is a confusing topic. The environmental movement with Greta Jeanne D’Arc Thunberg in front can give the impression that climate has been nice and stable since times long […]
The Ediacara Hills is a hot, dry area in the middle of nowhere in South Australia. A place people go if they must, like for mining for uranium and other […]
I am a Norwegian, and I confess to not have gone to the mountains this Easter. This might get me expelled from community of True Norwegians, but me and the […]
Sixty-five million years ago, a meteorite killed the dinosaurs, and two-thirds of the known species with them. It turned Earth into a wasteland. But Earth soon recovered, mammals took over […]
When God had finished His creation of the Earth, He discovered that He had made a slight miscalculation. He had some sediments in spare. After considering a new moon just […]
Without life, the Earth would not be a place suitable for life. Sounds like a Catch-22? You bet. But it is true. In this blog post, we will explore how […]
Why did the fish go on land? Because it is evolution’s nature (to fill ecological niches. That’s why lobe-finned fish went on land around 370 million years ago and became […]