From CDP disclosure to real supplier reductions

Supplier Engagement
Sunny Hsiao
,

Growth Marketer

2 min read
Table of contents

Howden manages Scope 3 PG&S emissions across 55 countries with DitchCarbon.

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IntroCDP helps you organise climate information and signal transparency. In 2025 the questionnaire and scoring stay largely stable, which reduces thrash for reporting teams. The opportunity is to use that stability to move time and budget into supplier engagement and reduction planning.The reality: Scope 3 is where most impact sitsAcross sectors, supply chain emissions often dominate. CDP’s latest supply chain analysis shows the case for action is strong: supply chain risks and opportunities carry material financial implications, and buyer engagement with suppliers has already delivered tens of millions of tonnes in reductions.The bottleneck: Reporting admin can crowd out actionMany teams tell us the admin load burns cycles that could be used to cut emissions. A majority of sustainability leaders say time and cost spent on reporting admin delay decarbonisation efforts.What that time savings enablesWhen you reallocate hours from form filling to action, three high value activities become possible:1. Supplier engagement at scale Segment by spend, category, or emissions intensity. Share clear asks and practical support aligned with SBTi supplier engagement guidance. Track commitments, link to financing levers, and reward progress.2. Forecasting and planning Build category level trajectories. See how switching materials, energy, or transport modes shifts your path to targets. Prioritise the interventions that bring forward real world reductions.3. Procurement integration Embed climate performance in sourcing and SRM. Use simple scorecards and the BSR 1.5°C Supplier Engagement Guide to standardise expectations and support.How DitchCarbon helps CDP users- Broader coverage, fewer gaps: We estimate emissions for non disclosing suppliers and reconcile against your spend, so you can see the whole picture and act.- Action workflows, not just dashboards: Cohort builders, tracked commitments, and shared playbooks turn insights into supplier activity.- Decision support: Scenario views highlight the most material levers and the order to pull them.Where to start this quarter1. Use the remaining 2025 CDP window to finalise any unscored submission (if needed).2. Stand up a 90 day supplier programme: top 50 suppliers by impact, clear asks, and a monthly check in.3. Tie insights to FY26 budgets: link supplier actions to capex/opex and expected emissions impact.

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