Introduction Empowering individuals Working together Operating sustainably Governance and engagement Appendix 2023 Environmental Repo爀琀 for o昀昀-site heat recovery, where environmentally sound energy. Since 2012, our average annual 昀氀eet-wide PUE has Historically, research has shown that as AI/ML compute and technically feasible, considering the remote location of stayed at or below 1.12 (see Figure 13). demand has gone up, the energy needed to power this 2022 HIGHLIGHT many of our data centers and the infrastructure required. technology has increased at a much slower rate than Heat recovery is also a key pa爀琀 of our o昀케ce development In 2022, we maintained our ISO 50001 ce爀琀i昀椀cation for all many forecasts predicted. We have used tested practices As of 2022, over 1.8 million square strategy, as well as one of the main levers to help us Google-owned and -operated data centers in Europe that to reduce the carbon footprint of workloads by large meters (nearly 20 million square electrify—because reusing heat o昀琀en requires less energy met our operational threshold for power usage. We were margins; together these principles have reduced the feet) of Google o昀케ce facilities have than creating new heat. the 昀椀rst major internet company to achieve a multi-site energy of training a model by up to 100x and emissions achieved LEED ce爀琀i昀椀cation. energy management system ce爀琀i昀椀cation to ISO 50001, by up to 1,000x. For more information, see the AI for Our e昀昀o爀琀s have paid o昀昀. On average, a Google-owned which we 昀椀rst obtained in 2013. sustainability section. and -operated data center is more than 1.5 times as   74 energy e昀케cient as a typical enterprise data center and, O昀케ces compared with 昀椀ve years ago, we now deliver approximately 2022 HIGHLIGHT three times as much computing power with the same  75 On average, a Google-owned and For new o昀케ce buildings and spaces, we optimize amount of electrical power. In 2022, the average annual  76 overall pe爀昀ormance, including both e昀케ciency and user power usage e昀昀ectiveness (PUE) for our global 昀氀eet of -operated data center is more than experience (see Figure 14 on the next page for some data centers was 1.10, compared with the industry average 1.5 times as energy e昀케cient as a  77 examples). We design to internationally recognized of 1.55 —meaning that Google data centers use about 5.5  78 typical enterprise data center. and industry-leading green building standards, such times less overhead energy for every unit of IT equipment as Leadership in Energy and Environmental Design (LEED) ce爀琀i昀椀cation, Building Research Establishment Environmental Assessment Method (BREEAM), and FIGURE 13 International Living Future Institute’s (ILFI) Living Building Challenge (LBC) and Zero Carbon Ce爀琀i昀椀cation. Energy e昀케ciency at Google-owned and -operated data centers 1.20 As of 2022, over 1.8 million square meters (nearly 20 million Legend square feet) of Google o昀케ce facilities have achieved LEED  79 Trailing 12-month PUE 1.18 ce爀琀i昀椀cation. Of our LEED-ce爀琀i昀椀ed square footage, 27% h PUE has achieved a Platinum rating, and 60% a Gold rating. t 1.16 n 2-mo1.14 As we work to improve pe爀昀ormance across our existing g 1 po爀琀folio, we use energy management strategies, building 1.12 ailin 1.10 optimization, and data analytics to help drive e昀케ciency r T 1.10 measures like equipment upgrades, setpoint adjustments, and lighting retro昀椀ts. 1.08 We received the highest LEED ce爀琀i昀椀cation for our Google 0 2010 2012 2014 2016 2018 2020 2022 store in New York City’s Chelsea neighborhood. 38