Carbon Offsets vs Carbon Removals

Overview

The terms "carbon offsets" and "carbon removals" are often used interchangeably, but they represent fundamentally different approaches to climate action. Understanding this distinction is crucial for organizations developing credible net-zero strategies.

Carbon Offsets

Carbon offsets represent emissions reductions or avoidance that occurs somewhere else, compensating for emissions produced by the buyer.

Characteristics

• Avoidance-based: Prevents emissions from happening (e.g., preventing deforestation)
• Not adding carbon to the atmosphere: Maintains status quo
• Leakage risk: Emissions may shift to other locations
• Permanence concerns: Stored carbon could be released

Examples

• Renewable energy projects displacing fossil fuel generation
• Landfill methane capture
• Cookstove distribution reducing wood consumption

Carbon Removals

Carbon removals actively extract CO2 from the atmosphere and store it permanently.

Characteristics

• Removal-based: Actively pulls CO2 from the air
• Carbon negative: Actually reduces atmospheric CO2
• Higher permanence: Designed for permanent storage
• Scalability challenges: Many technologies still emerging

Examples

• Direct air capture (DAC) facilities
• Bioenergy with carbon capture and storage (BECCS)
• Afforestation and reforestation
• Enhanced weathering
• Soil carbon sequestration

Why the Distinction Matters

Climate Effectiveness

Carbon removals directly reduce atmospheric CO2 concentrations, addressing the root cause of climate change. Offsets merely prevent additional emissions, maintaining current atmospheric levels.

Net-Zero Credibility

The Science Based Targets initiative (SBTi) and other frameworks increasingly distinguish between:

1. Reductions: Decreasing your own emissions (mandatory)
2. Neutralization: Using carbon removals for residual emissions (limited)
3. Offsetting: Using offsets to claim net-zero (increasingly scrutinized)

Quality and Value

Practical Guidance

For Organizations

1. Prioritize reductions: First reduce your own emissions across all scopes
2. Use removals strategically: Apply to truly unavoidable residual emissions
3. Be skeptical of offsets alone: Avoid claiming net-zero based solely on offsets
4. Look forward: Support the development of removal technologies

Quality Criteria

When sourcing either offsets or removals, evaluate:

• Verification standard (Verra, Gold Standard, etc.)
• Additionality assessment
• Permanence guarantees
• Co-benefits (SDG alignment)
• Transparency and traceability

Key Takeaways

• Offsets prevent emissions; removals pull CO2 from the atmosphere
• Removals are essential for achieving net-zero and climate targets
• The quality and type of carbon credit matters for credibility
• Both have roles but should not replace emission reductions
• The market is shifting toward removals for long-term climate goals

References

• GHG Protocol · ICMA Green Bond Principles · SBTi · IPCC — climate finance frameworks