Roger Aines, chief scientist for the Energy Program at Lawrence Livermore National Laboratories, will give a presentation “Pathways to Zero: How California Can Have a Carbon Neutral Economy,” to Tri-Valley Citizens' Climate Education at the Livermore Library on Thursday, Feb. 27.

The two-hour meeting will begin at 6:30, with Aines scheduled to speak at 7 p.m. The group will also discuss a number of upcoming activities. For more information, go to