The Discovery Center for Science and Technology will present “What Is Happening to Planet Earth?” from 7:30 to 9 p.m. Thurs., Feb. 11 at Baxter Biosciences, 1 Baxter Way, Westlake Village.

Dr. Richard Elsley will discuss the effect that almost 7 billion people are having on the planet. The lecture is geared to adults and mature teenagers. Tickets are $15 for adults and $10 for seniors, teachers and students.

For more information or tickets, call (805) 905-8168, e-mail mail@ScienceSpeakerSeries.org or visit the website www .ScienceSpeakerSeries.org.