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Scope 3 Emissions Explained

SCOPE 3 EMISSIONS EXPLAINED V2

Scope 3 emissions are typically the largest contributor to a business’s carbon footprint, often accounting for over 70% of total emissions. While Scope 1 emissions stem from direct business operations, and Scope 2 covers indirect emissions from purchased energy, Scope 3 includes emissions that occur throughout a business’s value chain.

Upstream and Downstream Activities

Scope 3 emissions are divided into upstream activities, such as emissions from suppliers, distribution, and raw material production, and downstream activities, like emissions from product use and disposal. The full value chain view means Scope 3 is a broad category with 15 emission areas, making it complex to track and reduce. While businesses can reduce Scope 1 and 2 emissions with relatively straightforward management, Scope 3 requires collaboration across the entire value chain to achieve meaningful reductions.

Why Measuring Scope 3 Emissions Matters

Identifying Scope 3 emissions can reveal significant opportunities for cost savings and sustainability improvements. Many businesses, however, find Scope 3 measurement challenging because it involves data collection from third parties and a detailed analysis of emissions sources.

Steps to Begin Measuring Scope 3 Emissions

Accurately measuring Scope 3 emissions begins with understanding which sources are most relevant to the business. Some common areas businesses can start tracking include:

  • Business Travel: Track travel modes and distances to meet clients, suppliers, or stakeholders. Use emissions factors to calculate the greenhouse gases associated with each trip.
  • Employee Commuting: Survey employees about their commuting patterns, including travel mode, distance, and frequency. This data, combined with emissions factors, will give a total commuting footprint.
  • Waste Disposal and Treatment: Record the amount and type of waste produced annually, as well as its treatment method (e.g., recycling, landfill). Your waste management provider’s data can help calculate emissions for each treatment method.
  • Water and Wastewater Treatment: Use water bills to track water use and wastewater treatment, then apply emissions factors based on cubic meterage for an accurate footprint.
  • Key Raw Materials and Packaging: Estimate emissions from materials extraction, processing, and transport by multiplying the consumed tonnage by the appropriate emissions factors for each stage.

Benefits of Scope 3 Emissions Measurement

By measuring emissions, a business can: 

  • Identify supply chain hotspots that have high emissions and resource inefficiencies.
  • Spot energy efficiency and cost-saving opportunities in the supply chain.
  • Build stronger supplier relationships by engaging with them on sustainability initiatives.
  • Gain a competitive edge by qualifying for tenders and partnerships with organisations aiming for net zero.
  • Enhance product stewardship by working toward Environmental Product Declarations and ecolabel certifications.

Reduction Strategies

Scope 3 reduction requires cooperation with suppliers, distributors, and other value chain participants. Here are some strategies businesses can employ:

  • Collaborate with Suppliers: Prioritise working with suppliers who transparently share their Scope 1 and 2 emissions data. You can also incentivise suppliers that achieve reductions in their emissions.
  • Reduce Business Travel: Default to virtual meetings and limit international travel to essential trips only.
  • Support Sustainable Employee Commuting: Offer carpool options, promote cycling, and support remote or hybrid work arrangements. Encourage or incentivise the transition to electric vehicles.
  • Adopt Circular Economy Principles: Design packaging and products to be recyclable or reusable, reducing waste and the overall emissions footprint.
  • Use Greener Shipping: Consolidate deliveries, transition fleets to electric or hybrid models, and optimise routes to reduce emissions from transportation.

While Scope 3 emissions analysis can appear daunting compared to Scope 1 and 2, they’re essential to achieving comprehensive sustainability goals. Taking the first steps to measure and reduce Scope 3 emissions not only aligns businesses with net zero targets but also enhances resilience, supports innovation, and boosts competitiveness.

For guidance on starting or enhancing your business’s journey to net zero, reach out to our team of energy management experts today.

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  • Author: Antonia Cheng, Energy Analyst

  • Creative: Robyn Miller, Marketing Manager

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