On Thursday, a groundbreaking ceremony was held a few miles north of Mojave for the country's largest city-owned windfarm. The Pine Tree Wind Project is Los Angeles' hope for the future of power, supplying 120 megawatts of renewable energy to our city. In fact, Mayor Villaraigosa, who attended the event and who has been working on ways to make energy more green and efficient, says "20 percent of the city's energy will come from renewable......