Vanishing: The extinction crisis is worse than you think

We’re entering the Earth’s sixth era of extinction — and it’s the first time humans are to blame. CNN introduces you to the key species and people who are trying to prevent them from vanishing.

Human Impacts on the Environment

Imagine aliens land on Earth a million years from now. What will these curious searchers find of us? They will find what geologists, scientists, and other experts are increasingly calling the Anthropocene, or new age of mankind. David Biello explains how the impacts that humans have made have become so pervasive, profound, and permanent that some geologists believe we merit our own epoch.