The strategy designer should create a journey map that extends into pre-purchase and post-use disposal to uncover unseen impacts of the product's lifecycle, to prepare to measure progress toward the goal of improving the sustainability of the business. This helps identify the environmental touchpoints and opportunities for improvement across the entire customer journey, not just during the use phase. References:
https://trailhead.salesforce.com/en/content/learn/modules/salesforce-strategy-designer-certification-prep/conduct