The Case for "Good Enough" Data: How to Act Without Waiting for LCAs

IntroductionSustainability teams often feel trapped between the need for precision and the urgency of progress. Many wait for detailed Life Cycle Assessment (LCA) data before making carbon reduction decisions, believing that without perfect information, action risks inaccuracy. But in the real world, perfection is the enemy of momentum.LCAs are incredibly valuable for product level insights, but they are also resource intensive, slow, and rarely available across an entire supplier base. The companies that move fastest toward their net zero goals are those that make decisions based on **directionally accurate data**, not perfect data.## The Cost of WaitingA full LCA can take months or even years to complete. In that time, suppliers, materials, and markets change. Meanwhile, climate deadlines inch closer. When organizations wait for complete data, opportunities to implement quick wins, such as switching to lower carbon suppliers or optimizing logistics, slip away.Waiting doesn't just stall progress; it undermines credibility. Stakeholders, from investors to customers, increasingly expect to see action, not analysis paralysis.## Directional Accuracy Explained"Good enough" data doesn't mean sloppy or unverified. It means working with credible, standardized emission factors and supplier level intelligence to identify where the biggest impacts lie. For example, if your procurement data shows that 60% of emissions come from purchased goods, you can start decarbonizing high impact categories immediately, even without LCA granularity.Directional accuracy focuses on **magnitude and trend**, allowing teams to make informed, defensible decisions quickly.## The Benefits of Acting Early- **Momentum builds trust.** Stakeholders reward visible progress.- **Suppliers engage faster.** When companies lead with action rather than surveys, suppliers respond with data improvements.- **Resources are optimized.** Teams can reserve detailed LCAs for high impact products while managing others through reliable secondary data.This approach doesn't replace LCAs: it complements them by ensuring that sustainability efforts aren't waiting for perfect information.## Making "Good Enough" WorkTo make this approach effective:1. **Use standardized datasets.** Align with trusted sources such as Defra, GLEC, or EPA factors. See our [comprehensive guide to Scope 3 emission factors](/blog/the-big-guide-to-scope-3-emission-factors-2025-what-to-use-when-and-where-to-get-them "The Big Guide to Scope 3 Emission Factors 2025: What to Use When and Where to Get Them").2. **Document assumptions clearly.** Transparency builds confidence in decision making.3. **Continuously refine data.** Update and improve inputs as new information becomes available.4. **Focus on direction, not decimal points.** Perfect precision is less valuable than consistent progress.Not sure [which emission factor database to use](/blog/which-emission-factor-database-should-you-use-for-scope-3-eeio-vs-lci-vs-sector-specific "Which Emission Factor Database Should You Use for Scope 3? EEIO vs LCI vs Sector-Specific")? We break down the options.## ConclusionPerfect data is a luxury that most organizations can't afford to wait for. Acting on "good enough" data allows companies to start reducing emissions today while improving accuracy over time. The fastest path to net zero isn't paved with perfection: it's built on consistent, confident action.When you're ready to refine, here's [how to verify and improve accuracy of Scope 3 data](/blog/how-to-verify-and-improve-accuracy-of-scope-3-data "How to Verify and Improve Accuracy of Scope 3 Data").