Humans shaped the world at the expense of many species, which were driven to extinction through our activities. How would Earth be different if humans never existed?

It’s hard enough to imagine what the world was like before humans, let alone how it may’ve turned out if we’d never appeared. But New Scientist decided to “rewind time, erase our ancestors ...

But what would the world look like if humans had never existed? Read Full Article » Related Topics: Humans, earth science, environment. Comment. Show comments Hide Comments. You must be logged in to ...

It’s a pretty bleak picture. But if humans had never existed, large mammals would still rule nearly every continent on Earth, according to Faurby and his colleagues.

The study, undertaken by Danish researchers from Aarhus University, asked what Earth would be like if humans never existed, not from a climate perspective, but simply one of biodiversity.

A planet without humans? IMAGINE for a moment that the last 125,000 years of Earth's history exist somewhere on a tape – a thick, old-fashioned ribbon loaded between two metal drums. With every ...

If humans went extinct, what would the Earth look like one ... have been dealt with in various ways when humans existed. ... highways that never rust can last for centuries. Humans live ...

What if Humans Are Not Earth's First Civilization? Season 9 Episode 32 ... Some of the long-lived synthetic chemicals really have no known natural source, like some of these industrial fluorides.