If your yard could use a little extra shade — and you are a homeowner in San Jose — a free tree could be in your future. Our City Forest, a San Jose-based nonprofit group that evangelizes for street trees and the urban canopy, has partnered with PG&E to offer free shade trees to homeowners who apply. The program, first announced in the fall, is being extended through April. “Shade & Save” is designed to help homeowners cut their summer cooling costs. Any San Jose resident-hom