Scientists Warn Earth Is Entering a Sixth Mass Extinction ...

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 ...

A mass extinction event is a term used to describe a large-scale event that wipes out species. It is usually not a short, one-time incident but rather something that occurs over thousands or millions ...

For years, scientists have warned of Earth’s 6th great mass extinction, with species now disappearing at an estimated rate of 1,000 to 10,000 times higher than natural according to the World Wildlife ...

The state endangered regal fritillary butterfly. (Photo courtesy of the Wisconsin Department of Natural Resources) With nature comes change. It’s seen in migrating birds, heard in frog songs, smelled ...