Carbon Credits: What are They and How They Work

Carbon Credits: What are They and How They Work

by  
AnhNguyen  
- October 22, 2024

In today’s world, the conversation around sustainability and environmental responsibility has become more prominent than ever. One topic that frequently emerges in these discussions is carbon credits. This blog will explore the relevance of carbon credits in various sectors and their impact on both businesses and the environment. Join us as we delve into the significance of this concept and its role in shaping a greener future.

What are Carbon Credits?

Carbon credits are permits that allow the holder to emit a specified amount of carbon dioxide or other greenhouse gases. One credit typically permits the emission of one ton of carbon dioxide. These credits are part of a market-based approach intended to reduce the overall emissions of greenhouse gases. By putting a cap on emissions and allowing organizations to trade credits, companies are incentivized to reduce their carbon footprint.

Key Points About Carbon Credits

  • Market Mechanism: Carbon credits are traded in international markets, allowing businesses to buy and sell them to comply with emission limits.
  • Emission Reduction: The primary goal of carbon credits is to incentivize the reduction of greenhouse gas emissions.
  • Projects and Initiatives: Credits can be earned by investing in projects that cut emissions, such as renewable energy or reforestation.
  • Regulatory Frameworks: Various governing bodies regulate the issuance and trade of carbon credits within cap-and-trade systems.
  • Voluntary and Compliance Markets: The carbon credit market is divided into voluntary markets, where businesses buy credits to offset their emissions, and compliance markets, which are government-regulated.

How Do Carbon Credits Work?

Carbon credits function within a cap-and-trade system, where governments or regulatory bodies set a limit on the amount of greenhouse gases that can be emitted by specific sectors. Companies are allocated or can purchase a certain number of carbon credits, corresponding to their allowable emissions. If a company emits less than its allotted credits, it can sell the excess to other organizations that are exceeding their limits, thus creating a financial incentive for emissions reduction.

In practice, this system encourages companies to invest in cleaner technologies and sustainable practices to minimize their carbon output. Organizations can also benefit from gaining additional credits by supporting or implementing projects that positively impact the environment, such as energy-efficient infrastructure or afforestation initiatives. These mechanisms collectively contribute to the overarching goal of reducing global greenhouse gas emissions and combating climate change.

Carbon Credits vs. Carbon Offsets

While carbon credits and carbon offsets are often mentioned together, they serve distinct purposes. Carbon credits represent a reduction or removal of one ton of carbon dioxide equivalent from the atmosphere. They are typically used in regulated cap-and-trade markets, where companies must hold enough credits to cover their emissions.

On the other hand, carbon offsets are broader in application and often used in voluntary markets. They allow individuals or organizations to invest in environmental projects that reduce emissions elsewhere, effectively balancing out their own carbon footprint. The key difference lies in the context of their use: credits are compliance-driven, while offsets are voluntary and focused on compensating for unavoidable emissions.

Who Sells Carbon Credits?

Carbon credits are typically sold by a variety of entities, each contributing to the reduction of carbon emissions through different methods. The key sellers of carbon credits include:

  • Project Developers: These are organizations that implement projects specifically designed to reduce or remove carbon emissions. Examples include reforestation projects, renewable energy installations like wind or solar farms, and methane capture initiatives. They generate carbon credits by proving that their activities prevent or reduce emissions, often verified by third-party standards like the Verified Carbon Standard (VCS) [1] or Gold Standard [2].
  • Government Bodies: Some countries or regional governments participate in cap-and-trade systems, where they issue carbon credits as part of regulatory frameworks. Under these schemes, governments set a limit (or “cap”) on the total emissions allowed within an industry or region. Companies that reduce their emissions below the cap can sell their excess carbon credits to other companies that need them to comply with regulations.
  • Environmental NGOs and Conservation Groups: Many non-governmental organizations engage in activities that generate carbon credits through conservation or sustainability projects. For example, initiatives aimed at protecting forests (known as REDD+ projects [3]—Reducing Emissions from Deforestation and Forest Degradation) often generate carbon credits by preventing deforestation and preserving ecosystems that act as carbon sinks.
  • Private Companies: Various companies have emerged solely to develop and sell carbon credits. These companies may invest in clean energy, energy efficiency, or carbon capture and storage (CCS) technologies, which help reduce greenhouse gas emissions. They then sell the resulting credits on voluntary carbon markets or compliance markets, such as the European Union Emissions Trading System (EU ETS) [4].
  • Farmers and Landowners: Agricultural businesses, especially those using sustainable farming practices, can generate carbon credits by adopting methods that sequester carbon in soil, such as regenerative farming, agroforestry, or organic practices. In addition, landowners may sell carbon credits through forestry management practices that increase carbon storage in trees and soil.
  • Brokers and Exchanges: Like financial markets, carbon credits are also bought and sold through intermediaries, including brokers and exchanges. Brokers facilitate transactions between buyers and sellers, while exchanges like the European Climate Exchange (ECX) or the California Carbon Market provide platforms where carbon credits can be traded in a more structured, regulated environment.

Carbon Credits Standards

Several standards govern the creation and verification of carbon credits to ensure their credibility and environmental integrity. Here are some of the most recognized standards:

  • Verified Carbon Standard (VCS): Developed by Verra, the VCS is one of the world’s leading voluntary greenhouse gas programs. It provides a robust framework for projects to validate and verify their carbon reductions through a stringent set of requirements and methodologies, ensuring the creation of high-quality carbon credits.
  • Gold Standard: Initially created by WWF and other international NGOs, the Gold Standard focuses on enhancing the quality of carbon offset projects. It stresses sustainable development by ensuring projects deliver meaningful environmental and social benefits beyond carbon reduction, such as improving local communities’ well-being.
  • Climate Action Reserve (CAR) [5]: Primarily used in North America, CAR creates standards for carbon offset projects and operates a registry to track them. It emphasizes transparency and environmental integrity with rigorous requirements to ensure only high-quality carbon offset projects receive credits.
  • American Carbon Registry (ACR) [6]: Managed by the nonprofit organization Winrock International, ACR sets criteria for quantifying and verifying carbon offsets across various sectors. It emphasizes scientific rigor and consistency, offering methodologies that align with regulatory compliance and voluntary market demands.
  • Clean Development Mechanism (CDM): A mechanism under the Kyoto Protocol [7], CDM allows emission-reduction projects in developing countries to earn certified emission reduction (CER) credits. These CERs can be traded and sold, and used by industrialized countries to meet part of their emission reduction targets under the Kyoto Protocol.

How Much Does A Carbon Credit Cost?

In 2024, the price of carbon credits is as dynamic as ever, heavily influenced by the specific market in which they are traded.

Compliance Markets, like the European Union Emission Trading System (EU ETS), see credits acting as regulated commodities. Each European Union Allowance (EUA) permits the holder to emit one ton of CO2, and prices in this market have seen significant fluctuations. Earlier this year, prices surged above €100 per ton before dipping to around €78 per ton more recently. This volatility is driven by regulatory changes, such as the planned phase-out of free carbon allowances, and the introduction of the Carbon Border Adjustment Mechanism (CBAM), which will place tariffs on carbon-intensive imports [8] [9].

On the other hand, Voluntary Carbon Markets (VCMs) have faced a steep decline in recent years. Nature-based offsets, which once traded as high as $15 per ton in 2022, have collapsed to below $1 per ton by mid-2024. This drop stems from increased scrutiny over the environmental integrity of certain offset projects, and a general erosion of confidence among corporate buyers, many of whom are shifting toward direct emission reductions rather than relying on offsets. This market decline is compounded by the global economic downturn, which further dampened demand [10].

While compliance markets remain relatively stable with clear regulatory frameworks, the future of voluntary markets appears less certain. As the world navigates towards stricter environmental goals, the cost and credibility of carbon credits will continue to be central to the global climate strategy.

What are the Benefits of Investing in Carbon Credits?

Investing in carbon credits not only offers potential financial returns but also plays a critical role in the fight against climate change by encouraging sustainable practices and reducing global carbon emissions:

  • Environmental Impact: Investing in carbon credits directly supports the reduction of greenhouse gas emissions, contributing to the mitigation of climate change impacts. By backing projects that reduce emissions or enhance carbon sequestration, investors play a pivotal role in promoting a sustainable environment.
  • Regulatory Compliance: Companies operating in regulated markets can use carbon credits to comply with emission reduction requirements. This not only helps them avoid potential fines or sanctions but also positions them as responsible corporate citizens in an increasingly environmentally-conscious world.
  • Corporate Social Responsibility (CSR): Purchasing carbon credits allows businesses to enhance their CSR profile by demonstrating a commitment to sustainable practices. This often improves brand reputation and builds trust with stakeholders and consumers who value environmental sustainability.
  • Diversification of Investment Portfolio: Carbon credits offer an innovative investment opportunity and act as a hedge against regulatory risks associated with high carbon emissions. Including carbon credits in an investment portfolio allows investors to potentially benefit from price changes in emerging climate markets.
  • Support for Sustainable Development: Investments in carbon credits can encourage projects that deliver additional social and economic benefits, such as job creation, poverty alleviation, and improved living conditions in local communities.
  • Market Growth Potential: As global policies increasingly focus on climate change mitigation, the demand for carbon credits is expected to grow. Early investments in this market can offer competitive advantages and potential financial returns as the market evolves.

What are the Limitations of Investing in Carbon Credits?

Investing in carbon credits, while beneficial in many ways, also comes with a set of challenges and limitations that potential investors need to consider:

  • Market Volatility: As demonstrated by recent fluctuations, carbon credit prices can be highly volatile. This unpredictability can pose significant financial risks to investors, especially those relying on consistent returns from carbon credit portfolios.
  • Verification and Credibility Issues: Questions surrounding the authenticity and environmental integrity of certain carbon offset projects have undermined confidence in voluntary markets. Ensuring that projects are genuinely reducing emissions and not merely serving as greenwashing tools remains a significant challenge.
  • Regulatory Risks: Changes in environmental policies and regulations can heavily impact the carbon markets. Shifts in government policies may result in stricter or more lenient requirements, affecting both the price and demand for carbon credits.
  • Limited Accessibility for Smaller Investors: Often, carbon credit opportunities cater to large corporations and institutional investors, creating a barrier for smaller investors who may have difficulty accessing and participating in these markets.
  • Potential for Reputational Risk: If an investor is associated with projects that later are found to have questionable environmental benefits or practices, this can result in reputational damage and undermine public trust.
  • Uncertain Long-term Outcomes: While carbon credits can contribute to emission reductions, they are a short-term solution to the broader challenge of climate change. Over-reliance on carbon credits may hinder the pursuit of comprehensive, long-term strategies for reducing carbon footprints.

Final Thoughts

In conclusion, investing in carbon credits presents both opportunities and challenges. While these investments can generate environmental and financial benefits, they are not without their risks, including market volatility and credibility concerns. As global efforts to combat climate change intensify, the role of carbon credits will likely evolve. Investors need to stay informed and critically assess the integrity and potential of their investments while embracing broader strategies for sustainability. Ultimately, a balanced and informed approach can enhance not only portfolio returns but also contribute meaningfully to a sustainable future for all.

References:

[1] https://verra.org/programs/verified-carbon-standard/

[2] https://www.goldstandard.org/

[3] https://unfccc.int/topics/land-use/workstreams/redd/what-is-redd

[4] https://climate.ec.europa.eu/eu-action/eu-emissions-trading-system-eu-ets_en

[5] https://www.climateactionreserve.org/

[6] https://acrcarbon.org/

[7] https://unfccc.int/kyoto_protocol#:~:text=In%20short%2C%20the%20Kyoto%20Protocol,accordance%20with%20agreed%20individual%20targets.

[8] https://carboncredits.com/carbon-prices-today/

[9] https://www.ccarbon.info/insight/global-carbon-credit-market-forecast-insight-report-june-2024/

[10] https://carboncredits.com/carbon-prices-and-voluntary-carbon-markets-faced-major-declines-in-2023-whats-next-for-2024/

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