Establishing environmental performance baselines and measuring subsequent improvements enables organizations to evaluate whether sustainability initiatives deliver meaningful business and environmental outcomes.

A baseline represents the environmental or operational performance recorded before implementing a solution. Depending on the project, relevant metrics may include electricity consumption, greenhouse gas emissions, hardware utilization, electronic waste generation, and equipment recovery rates.

For example, an organization modernizing its data center could record its existing server power consumption, cooling requirements, and equipment utilization. After implementing a more efficient infrastructure, the organization can compare normalized measurements against the original baseline.

A credible comparison must account for relevant changes, including workload growth, operating hours, facility conditions, and equipment capacity. This helps distinguish genuine efficiency improvements from changes caused by unrelated operating conditions.

Option A is incorrect because installing new networking equipment does not automatically eliminate its lifecycle emissions. Option B measures commercial activity rather than environmental results. Option C undermines transparency and prevents objective performance evaluation.

The correct approach creates a foundation for sustainability reporting, customer accountability, operational optimization, and evidence-based investment decisions.

Cisco's sustainability guidance emphasizes identifying business outcomes, improving resource efficiency, and measuring the results of technology transformation initiatives.