The Sixth Extinction Questions and Answers
by Elizabeth Kolbert

The title of Elizabeth Kolbert's book The Sixth Extinction refers to the phenomenon also known as the “Anthropocene extinction” or “Holocene extinction,” an ongoing, sixth mass extinction event...

Elizabeth Kolbert argues that carbon dioxide (CO2) changes the acidity of ocean water, which in turn is negatively affecting coral reefs. She looks primarily at Australia’s Great Barrier Reef and...