The Natural History Museum of Los Angeles County will present a series of discussions on environmental issues one Sunday each month through April 13.

The presentations, which will include questionandanswer sessions, will begin at 2 p.m. in the Jean Delacour Auditorium at the museum, 900 Exposition Blvd., Los Angeles.

Admission is free to museum members.

The cost to visitors, which includes museum admission, is $9 for adults and $6.50 for children.

The next discussion will be Dec. 9 when Dr. Lee Hannah presents "Pushed to the Edge: Species and Climate Change," focusing on strategies conservationists use to protect biodiversity.

For information, call (213) 763-3466 or visit www.nhm.org.