continents

200 million years after the supercontinent Pangea decayed into plaques, the Earth formed 7 continents today.

A new study of ancient minerals called zircon shows that once existed a harsh climate, perhaps destroying the surface of the new continents formed on Earth.

The world has lost more than 13 million hectares of forest, mainly due to the conversion of forest area to other uses, the forest currently accounts for only 31% of the world's