San Francisco Chronicle: Picking the right place for an immense solar power plant or wind farm is a tricky business, one that can turn natural allies into enemies. An open stretch of desert might look empty to a renewable-power developer who wants to blanket a few hundred acres with solar panels or mirrors. To environmentalists, the same spot could be vital habitat for an endangered lizard or bird – an ecosystem too delicate to touch. Now, a collaboration between Google and two leading environmental …