Are we living in the biggest extinction event since the dinosaurs?

What Pulitzer Prize-winning author Elizabeth Kolbert will be honored with a medal, and afterwards she'll discuss her book "The Sixth Extinction: An Unnatural History," which argues that we're currently experiencing the biggest extinction event since the asteroid that took out the dinosaurs.
Where Academy of Natural Science at 1900 Ben Franklin Pkwy. 19103
When September 21, 2016 at 6:20 pm to 8:20 pm
How much Free with RSVP
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