I know it's freezing and dreary and cold in San Francisco, but lucky us, we really do have seasons here in the Ross Valley. Though not the warmest July ever, there is no doubt in my mind that summer is here. And it's not just about the weather—neighbors slow down to chit chat, kids are out riding their scooters and bikes, and the lines at Fairfax Scoop grow longer by the day. Not only are ice cream sales up, our farmers markets and farm stands are also doing a brisk business with their plump and juicy stone fruit and fresh beets, squash and greens. Even a purveyor of all things green has …