Green Gold: Harnessing Nature’s Power for a Net Zero Future

"Examining the Effectiveness of Carbon Offsets: A Crucial Step Towards Achieving Net Zero Emissions in the Midst of the Climate Crisis"

While a few instances may have tarnished its reputation, dismissing all carbon offset projects as “greenwashing” because of a few probable bad actors is like throwing the baby out with the bathwater.

How Effective Are Carbon Offsets? In the face of the escalating climate crisis, the urgency to achieve net zero emissions has never been more pronounced. The world is confronting a climate emergency, underscored by the unmistakable extreme weather patterns occurring across the globe. Given these circumstances, it is surprising that we even are having this debate. 

Amid the discussion around a few possible cases of potential exaggeration, carbon offsets often come under fire for being viewed as a convenient “get-out-of-jail” card for emitters. Critics argue that these offsets allow companies to maintain their emissions without addressing the root causes. However, this perspective fails to acknowledge that the process of transitioning towards a low-carbon economy is both intricate and gradual. The road to a net zero state demands attention not only on emission reduction but also on carbon sequestration. The goal of net zero, simply put, involves balancing the amount of greenhouse gases emitted into the atmosphere with an equivalent amount removed. 

As we strive to find this balance, carbon offsets offer a pathway that harmonizes economic growth with ecological restoration. The essence lies in enhancing natural systems like forests, wetlands, and farmlands absorbing more carbon dioxide than they release. The IPPCC report earlier this year underscored the immediate and pressing necessity for more ambitious actions aimed at emission reduction. In this perform-or-perish battle, it’s crucial to acknowledge that nature-based carbon offsets were never meant to be a standalone approach. Rather, they are just one piece in the broader strategy to reduce emissions.

While there have been instances of problematic nature-based carbon offsets, there are also legitimate offsets that reduce and mitigate emissions. Let’s look at some statistics. According to the United Nations Framework Convention on Climate Change (UNFCCC), 13 out of the 60 developing countries which reported REDD+ activities to the UN Climate Change Secretariat, reported a reduction of almost 10 billion tons of carbon dioxide. That is almost twice the amount of greenhouse gas emissions from the United States in 2020, and taking 150 million cars off the road for a year. 

REDD stands for ‘Reducing emissions from deforestation and forest degradation in developing countries. The ‘+’ stands for additional forest-related activities such as sustainable forest management and conservation, and enhancement of forest carbon stocks. Projects under REDD+ regulated by the United Nations can yield results-based payments for emission reductions when they reduce deforestation. Undoubtedly, transforming REDD into a market-based mechanism holds great potential as a critical action to combat climate change. At the same time, it advances the SDGs agenda in the Global South.

Beyond natural ecosystems, agriculture plays a pivotal role in the carbon offset narrative. Sustainable farming practices, such as zero-till or reduced-till farming, agroforestry, cover cropping etc. bolster soil health while simultaneously capturing carbon. Agroforestry, for instance, involves integrating trees into farmland, enhancing carbon sequestration and providing numerous benefits such as improved soil fertility, water conservation, and diversified income streams for farmers. 

No-till farming involves growing crops without disturbing the soil, resulting in numerous benefits. These include reduced soil erosion, improved soil health and air quality, and increased water retention. It can also sequester 0.3 tons of carbon/acre/year, noted by a Soil Society of America paper.  As has happened in the Canadian Prairies. The Canadian Agri-Food Policy Institute notes that the adoption of “no-till methodology has had a dramatic impact on carbon losses in western Canada, moving the provinces from a net loss of carbon to a net gain position since 1981”. 

In fact, carbon sequestration in Saskatchewan farmlands due to zero till farming is in the range of 0.3 to 0.65 tons per acre per year, according to another study conducted by GHG Registry, an organization founded by a group of academics focused on creating rigorous scientific standards for carbon sequestration projects, and the scientific team of CarbonTerra, a Saskatchewan-based company engaged in building a carbon-neutral agriculture ecosystem in the province.  

Aside from providing farmers with an additional income stream, the process augments soil organic carbon content. For example, the Chicago Climate Exchange currently compensates land managers with approximately $2 to $3 per acre for adopting practices like conservation tillage to sequester CO2, the Soil Society of America paper notes. This improvement in soil composition leads to heightened productivity, decreased soil erosion and nutrient runoff, and improved water quality. Soil carbon sequestration thus presents a mutually beneficial outcome for both the agricultural sector and the environment. Further, such sustainable farming practices also lead to a decrease in the utilization of equipment and labor on agricultural land. Thus, cutting down fossil fuel emissions associated with these operations. In fact, studies have estimated that adopting no-till practices can result in as much as a 71% reduction in the GHG impact compared to conventional tillage methods.

Carbon Offsets a Powerful Tool Nature-based carbon forest offsets allow individuals, companies, or governments to offset their carbon footprint by investing in projects that remove or reduce carbon dioxide from the atmosphere. This helps neutralize emissions and combat climate change. 

The industry has two segments: the compliance market, where entities are legally required to offset their emissions under regulations or agreements, and the voluntary carbon market, where entities choose to offset their emissions for ethical or reputational reasons. It is the voluntary market which has been under scrutiny in recent times. In general, the offset industry is experiencing remarkable growth. The value of the global carbon credit market reached upwards of $850 billion in 2021, a 164% increase from 2020, according to Refinitiv. Meanwhile, the voluntary carbon market alone grew at a record pace, reaching $2 billion—four times its value in 2020. And the pace of purchases is still accelerating in 2022, according to a report by BCG. By 2030, the market is expected to reach between $10 billion and $40 billion. The nature-based carbon offset market was valued at $0.6 billion in 2020.

Matt Lyons

Matt Lyons

Matt Lyons is the founder of Forestry & Carbon. Matt has over 25 years as a forestry consultant and is invoilved in numerous carbon credit offset projects.

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