# Sustainability
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The Sustainability pillar includes understanding the impacts of the services used, quantifying impacts through the entire workload lifecycle, and applying design principles and best practices to reduce these impacts when building cloud workloads. You can find prescriptive guidance on implementation in the [Sustainability Pillar whitepaper](https://docs.aws.amazon.com/wellarchitected/latest/sustainability-pillar/sustainability-pillar.html?ref=wellarchitected-wp).

**Topics**
+ [Region selection](a-region-selection.md)
+ [User behavior patterns](a-user-behavior-patterns.md)
+ [Software and architecture patterns](a-sus-software-architecture-patterns.md)
+ [Data patterns](a-sus-data-patterns.md)
+ [Hardware patterns](a-sus-hardware-patterns.md)
+ [Development and deployment process](a-sus-development-deployment.md)