Carbon Accounting Guide
Net Zero or Carbon Neutral: What’s the Difference?
Summary
As businesses and governments worldwide commit to tackling climate change, terms like "net zero" and "carbon neutral" are increasingly used — but they are not interchangeable. While both concepts aim to reduce greenhouse gas (GHG) emissions, they differ in scope, ambition, and long-term impact. This guide explains the differences and helps you understand which approach might be right for your organisation.
What is Carbon Neutrality?
Definition
Carbon neutrality refers to balancing the amount of carbon dioxide (CO₂) a company emits with an equivalent amount removed or offset, resulting in net zero emissions of CO₂. This does not necessarily require reducing emissions at their source; offsets can play a significant role.
Key Features
- Scope: Focuses mainly on CO₂ emissions, although it may include other greenhouse gases if specified.
- Offsets: Commonly relies on purchasing carbon credits to compensate for emissions that cannot be reduced (e.g., reforestation projects or renewable energy credits).
- Short-Term Focus: Achieving carbon neutrality can be done relatively quickly by offsetting emissions, even without substantial reductions in actual emissions.
Example
A company emits 10,000 tonnes of CO₂ annually but purchases carbon credits equivalent to 10,000 tonnes of CO₂ from a reforestation project, achieving carbon neutrality without necessarily reducing its own emissions.
What is Net Zero?
Definition
Net zero refers to reducing all GHG emissions as much as possible across the value chain and balancing any remaining emissions with carbon removal to achieve a net-zero climate impact. This approach encompasses all greenhouse gases, not just CO₂.
Key Features
- Scope: Covers all greenhouse gases (CO₂, CH₄, N₂O, etc.) across all three scopes:
- Scope 1: Direct emissions from owned or controlled sources.
- Scope 2: Indirect emissions from purchased energy.
- Scope 3: Indirect emissions across the value chain (e.g., suppliers, product use, and disposal).
- Emissions Reductions First: Requires substantial reductions in emissions before relying on removals or offsets.
- Long-Term Focus: Achieving net zero is a multi-decade effort aligned with limiting global warming to 1.5°C under the Paris Agreement.
Example
A company reduces its emissions from 100,000 tonnes to 10,000 tonnes through renewable energy, energy efficiency, and sustainable supply chain practices. It then removes the remaining 10,000 tonnes using carbon capture technology or verified nature-based solutions.
Key Differences Between Net Zero and Carbon Neutral
| Aspect | Carbon Neutral | Net Zero |
|---|---|---|
| Scope of Gases | Focuses mainly on CO₂ | Includes all greenhouse gases |
| Reduction vs Offsetting | Emphasis on offsets | Emphasis on reductions first, then removals |
| Scope of Emissions | May only address Scopes 1 and 2 | Covers Scopes 1, 2, and 3 |
| Timeframe | Short-term achievable | Long-term commitment |
| Alignment with Paris Agreement | May not fully align | Fully aligned with limiting warming to 1.5°C |
Which is Right for Your Organisation?
Consider Carbon Neutrality If:
- You are looking for a short-term climate action strategy.
- Your priority is addressing Scope 1 and 2 emissions without delving into the complexity of Scope 3.
- You are prepared to rely heavily on carbon offsets to balance your emissions.
Consider Net Zero If:
- You aim to align with global climate goals and the Paris Agreement.
- You are committed to reducing Scope 1, 2, and 3 emissions to the extent possible.
- You want to take a long-term, science-based approach to eliminating your climate impact.
Common Misconceptions
- Carbon neutral means no emissions: Achieving carbon neutrality often involves balancing emissions with offsets rather than eliminating them entirely.
- Net zero doesn’t allow for offsets: Net zero does allow for offsets, but only after significant reductions have been made, and the offsets must involve permanent carbon removal rather than avoidance projects.
- They are the same thing: While both aim to address climate change, net zero is more comprehensive and ambitious in tackling the root causes of emissions.
Conclusion
While both carbon neutrality and net zero contribute to climate action, they differ significantly in scope, ambition, and alignment with global goals. Carbon neutrality offers a practical starting point for organisations, but net zero represents the gold standard for long-term sustainability.
By understanding these differences, you can choose the path that best aligns with your organisation’s values, resources, and goals. Whether you start with carbon neutrality or commit to net zero, every step toward reducing emissions helps create a sustainable future.