LA Times: One neighbor loves his solar panels, which have cut his energy bill and are helping to combat global warming. The other neighbor adores his trees, which boost his property value and capture greenhouse gases. So what happens when one guy`s greenery casts a shadow on the other fellow`s solar array? It`s an environmental battle that`s heating up. And not just in Culver City, where the two neighbors – furniture maker Gary Schultz and architect Michael Rachlin — have begun …