San Francisco Chronicle: The Arctic ice cap is almost gone and glaciers are melting. European wineries are dealing with warmer temperatures, drought and changes in rain and weather patterns, yet while many California wineries are taking many steps to reduce their carbon footprint, most don’t seem overly concerned about how climate changes will affect their wines. The reason is fairly simple. They’re not seeing anything they aren’t already dealing with. While local wine grape growers have been buffeted …