(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

Many experts believe we may soon face a mass extinction event, with a high proportion of Earth’s species dying out. Projections indicate the climate will continue to change for centuries to come, and ...