A person

In order to survive for millions of years, humanity must find ways to protect the Earth. Source: Don Davis.

Questions for the future of humanity: Can the human race avoid extinction?

The blocks of concrete in New York City will also be preserved and affect the geology of the earth. Photo: Chris Chabot.

Questions for the future of humanity: What geological imprint will we leave behind?

The eastern lowland gorilla. Endangered. Source: Hans De Bisschop / flickr.

A world is disappearing