Live Chat: Have We Entered the 'Age of Man'? (Video)

See below for the chat box. Join us each Thursday at 3 p.m. EDT for a live conversation with leading scientists and expert reporters.
Today's Topic

Have humans had such a dramatic impact on the globe that we've created a new geological era? That's what some scientists think. They've proposed that the Industrial Revolution in the mid-18th century marked the end of the Holocene (a period that began with the last ice age 11,700 years ago) and the beginning of the Anthropocene, the "Age of Man." Not everyone agrees. In fact, some say the Anthropocene began 11,500 years ago and completely overlaps with the Holocene. And still others say the Anthropocene has yet to begin.

Who's right? What are the implications for science and the planet? And what might official geological organizations decide when they finally weigh in on the issue in 2016? Join us on Thursday, 25 April, at 3 p.m. EDT on this page for a live Google Hangout when we address these questions. Be sure to leave your questions for our guests in the comment box below.

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Today's Guests

Bruce D. Smith

Phil Gibbard


Michael Balter

Check back just before the chat starts for a live Google+ Hangout