Presently, the Earth's average global temperature is about 59 degrees Fahrenheit, cooler than much of the Phanerozoic era. However, human-induced climate change is driving temperature increases at ...

Their theory suggests there was much more erosion that occurred before the start of the Phanerozoic era than experts originally thought, and they presented evidence to show crystals from that era ...

Each eon is subdivided into eras. The Phanerozoic Eon is divided into the three eras. The oldest is the Paleozoic Era, which means ‘ancient life’ and occurred between 541 and 252 million years ...