Greening of the Earth pushed way back in time

Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, and that landscapes of the early Earth were as barren as Mars.

Massive "greening" of the Arctic predicted by the NSF

The National Science Foundation (NSF) has concluded that rising temperatures will lead to a massive "greening" of the Arctic by mid-century, as a result of marked increases in plant cover.