A company has the goal of continuously reducing the energy consumption and environmental impact associated with its cloud workloads. Which pillar of the AWS Well-Architected Framework addresses this goal?
A question asking which pillar addresses the goal of reducing environmental impact.
Performance Efficiency
The Performance Efficiency pillar focuses on using resources efficiently to meet performance requirements.
It has a different perspective from Sustainability, which specifically targets reducing environmental impact, so this is incorrect.
Reliability
The Reliability pillar focuses on recovering from failures and maintaining service continuity.
It is unrelated to reducing energy consumption or environmental impact, so this is incorrect.
Sustainability
Correct. The Sustainability pillar focuses on continuously minimizing the energy consumption of cloud workloads and their environmental impact. It improves resource utilization efficiency and reduces unnecessary load to lower the environmental footprint. It was added in 2021 as the sixth pillar.
Cost Optimization
Cost Optimization is the pillar that focuses on eliminating unnecessary spending and maximizing cost-effectiveness. Reducing resource usage can overlap in direction with reducing energy consumption.
However, the goal in this question is specifically reducing energy consumption and environmental impact, which targets environmental burden rather than cost, and therefore falls under the Sustainability pillar, so this is incorrect.
'Energy', 'environmental impact', and 'carbon' map to Sustainability. It was added in 2021 as the sixth pillar and appears in CLF exam questions. Although it overlaps in direction with Cost Optimization, distinguish between them by asking what is being reduced — spending or environmental burden.