The technical definition of the Holocene has to do with the extinction of a snail species in Sicily..

The Anthropocene essentially would be the time of human influence on the planet. That's controversial though, because geology is a retrospective disc….

There's no doubt if you could go 5, 10, 15 million years into the future and dig down to 2016, you would be able to find the geological evidence that….

If you were back in the Cretaceous Period - the last of the time of the dinosaurs - and you were driving from New York to Philadelphia on the New Jer….

If we want to know how the Earth's biosphere is going to respond to the things that humans are doing to the planet right now, the only evidence that ….

In our case, we are in the Cenozoic Era, which started at the end of the time of the dinosaurs. We are in the Quaternary Period, which is within the ….

When the dinosaurs go extinct and 75 percent of life goes extinct after a meteor hits the planet, that's an era boundary. That's when we change from ….

We're changing things, in many cases in irreparable ways, and that will certainly be recorded in the geological record..

Certainly, we have entered into a new age on our planet..