A week after announcing plans for a historic redevelopment of its original Redmond, Wash., headquarters, Microsoft this morning unveiled plans to overhaul its 32-acre campus in Mountain View, Calif., saying the revamped facility will achieve new environmental milestones for tech office buildings.

The company, which employs more than 2,000 people in the Bay Area, recently broke ground on the 643,000-square-foot project to modernize its Silicon Valley campus. The redevelopment includes a 4-acre “living roof” with plant species chosen to complement the nearby Stevens Creek habitat, in addition to glass-encased buildings that will enable the use of natural light in the workspaces on campus.

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