https://www.mercurynews.com/2021/05/19/google-huge-new-campus-mountain-view-green-tech-real-estate-develop/

MOUNTAIN VIEW — Google intends to make one of its huge new Mountain View campuses completely green through an intricate melding of solar panels and geothermal energy tapped from the earth beneath the vast complex.

The tech titan’s top boss revealed the eye-catching plans during a brief segment of a two-hour presentation this week as part of the company’s wide-ranging I/O developer conference.