The California Sustainable Winegrowing Alliance is hosting a workshop, "Sustainable Winegrowing Workshop for Ag Professionals," on Dec. 12 from 8:30 a.m. to 2:30 p.m. at the Robert Mondavi Institute in Davis. The cost is $30.

(Compiled by Cathy Bussewitz. Submit items to cathy.bussewitz@pressdemocrat.com.)