# Sustainability
<a name="sustainability"></a>

 The sustainability pillar focuses on environmental impacts, especially energy consumption and efficiency, since they are important levers for architects to guide direct action on how to reduce resource usage. 

 Each best practice in this section is presented based on its place in the ML lifecycle as detailed in [Well-Architected machine learning lifecycle](machine-learning-lifecycle.md). 

**Topics**
+ [Business goal identification](sus-business-goal-identification.md)
+ [ML problem framing](sus-ml-problem-framing.md)
+ [Data processing](sus-data-processing.md)
+ [Model development](sus-model-development.md)
+ [Deployment](sus-deployment.md)
+ [Monitoring](sus-monitoring.md)