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AWS Customer Carbon Footprint Tool As AWS continues to invest in sustainability across our infrastructure, many of our customers have asked us to help measure the carbon footprint of their AWS workloads—both to understand how moving to AWS reduces their carbon footprint and to report their overall footprint. Our new customer carbon footprint tool uses simple visualizations to show customers their historical carbon emissions, evaluate related trends as their use of AWS evolves, estimate emissions avoided by using AWS instead of an on-premises data center, and review forecasted emissions based on their current usage. The forecast shows how customers’ footprints will change as Amazon stays on path to powering our operations with 100% renewable energy by 2025, five years earlier than the original target of 2030, and drives toward net-zero carbon by 2040. In addition, historical carbon emissions data is available based on a customer’s AWS use from January 2020 onward. This data includes Scope 1 and Scope 2 emissions. Scope 1 emissions come directly from a company’s operations, while Scope 2 emissions come from the generation of purchased energy, such as the electricity used to power Amazon facilities. The customer carbon footprint tool uses carbon data that meets the widely adopted international standard of the Greenhouse Gas Protocol, which supplies the world’s most widely used greenhouse gas accounting standards. When signed into the AWS Billing console, customers can view their carbon emissions data by geographical location and by AWS service, such as EC2 and Amazon Simple Storage Service (Amazon S3). They can also measure changes in their carbon footprint over time, as they deploy new resources in the cloud. Moving to AWS Can Help Significantly Lower Carbon Studies by 451 Research , part of S&P Global Market Intelligence, have shown that AWS’ infrastructure is more efficient than on-premises data centers. AWS is 3.6 times more energy efficient than the median of U.S. enterprise data centers surveyed and up to five times more energy efficient than the average in Europe. A similar study that surveyed organizations in Japan, South Korea, Singapore, Australia, and India found that, on average, moving to the cloud was up to five times more energy efficient than using their on-premises data centers. After analyzing several regions, 451 Research also found that AWS can lower customers’ workload carbon footprints by nearly 80% compared to surveyed enterprise data centers, and up to 96% once AWS is powered with 100% renewable energy—a target we are on path to meet by 2025. 2021 Sustainability Report Introduction I Environment I Society I Governance I Appendix 36

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