In this Oct. 27, 2015 file photo, California Gov. Jerry Brown speaks at the Carbon Neutrality Initiative on the campus of the University of California-San Diego, in San Diego.
In this Oct. 27, 2015 file photo, California Gov. Jerry Brown speaks at the Carbon Neutrality Initiative on the campus of the University of California-San Diego, in San Diego. Lenny Ignelzi AP
In this Oct. 27, 2015 file photo, California Gov. Jerry Brown speaks at the Carbon Neutrality Initiative on the campus of the University of California-San Diego, in San Diego. Lenny Ignelzi AP