Business Green: Google has revealed further details of its plans to establish the company as a major player in the clean energy field, underlining its commitment to the development of concentrated solar thermal, enhanced geothermal and, most intriguingly, high-altitude wind systems. In an interview with the New York Times, the company’s Green Energy Czar Bill Weihl said the company was fully committed to accelerating the development of renewable energy technologies that can prove more cost-effective …