Environmentalist and paleontologist Dr. Richard Leakey will give a lecture on Friday at the Lobero Theatre.

Titled “The Sixth Extinction and the Next Evolution: Creating a Sustainable Future For All Life on Earth,” the lecture will deal with the impact of 7 billion humans on the Earth, and the future of life on the planet.

The presentation is sponsored by the Community Planet Foundation, a local organization concerned with global environmental issues.

The talk will begin at 7 p.m. Click here for tickets.