Are Humans Currently Causing A New Mass Extinction Of Species?

Extinction is one of the most serious, dangerous, but also mysterious phenomenon that has ever happened on Earth. The world’s first known mass extinction occurred about 540 million years ago. It was called the Ordovician-Silurian extinction. According to scientists, a large part of the Earth, which was covered in ice, home to countless sea creatures, … Continue reading Are Humans Currently Causing A New Mass Extinction Of Species?