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Overview Carbon Water Waste Ecosystems Appendix 35 Water positive Reducing our water footprint Getting to We are innovating in water collection, treatment, reuse, and water use intensity at our campuses and datacenters 35% water positive across the globe. Our new Herzliya, Net zero water campus Israel campus features Our new Silicon Valley campus, due to come online in water-efficient To meet our commitment to being 2021, will be among the first large office buildings in the plumbing fixtures world to be certified by a third party as a net zero water that drive up water water positive by 2030, we will facility. It will feature an on-site rainwater collection conservation by reduce our water footprint across system and waste treatment plant to ensure 100 percent 35 percent. of the site’s non-potable water comes from on-site our direct operations, while recycled sources. An integrated water management replenishing and increasing water system will manage and reuse rainwater and wastewater. By recycling our water, the campus will save an estimated access in water-stressed regions 4.3 million gallons of potable water each year. where we work. New offices, less water We help support water-stressed communities by recycling, reusing, and replenishing water where Herzliya campus with possible. When regional water shortages hit At our new Herzliya, Israel campus, water collected from water reuse to minimize Johannesburg, South Africa in 2018, we built an on-site air conditioners will be used exclusively to water plants potable water greywater treatment plant and began collecting on-site. In addition, water-efficient plumbing fixtures will consumption. rainwater to reduce the amount of water our local office drive up water conservation by 35 percent. needed to operate. Since then, we’ve built on this In India, where several of its most populous cities are approach in other campuses around the globe. struggling with water shortages, our Hyderabad campus Beijing is one of the world’s most water scarce cities. At our has a different challenge—high annual rainfall and floods Beijing West campus, we are taking steps to minimize our that jeopardize water quality. That is why the newest impact. We have installed a greywater treatment system building on our Hyderabad campus will support 100 that allows the recycling of HVAC condensed water, percent treatment and reuse of wastewater on-site for followed by water purification. Current recycled water landscaping, flushing, and cooling tower makeup. averages around 1,100 cubic meters per month. The Even in the rainy Pacific Northwest, water is an issue, with recovered water represents approximately 10 percent quality affected by runoff from urbanization and climate of daily domestic water consumption in the campus. change. At our headquarters modernization in Puget Sound, all new office buildings will reuse harvested rainwater in flush fixtures and low-flow systems, which is projected to save more than 5.8 million gallons annually. We also were awarded Salmon Safe certification, confirming that our designs protect local watersheds.

Microsoft Environmental Sustainability Report 2020 - Page 35 Microsoft Environmental Sustainability Report 2020 Page 34 Page 36