
Beyond Tree Planting: How to Ensure Real Impact with Forest-Based Carbon Offsets
If you want to offset your carbon footprint, plant trees, right?
Planting trees seems like the simplest and most straightforward solution for absorbing carbon and fighting climate change.
Trees absorb carbon dioxide (CO₂) from the atmosphere during photosynthesis and store it in their trunks, branches, leaves, and roots. As trees grow, they continue to store carbon for decades or even centuries. Even after they die, some of this carbon remains stored in the soil or in wood products used in construction. Tree roots help transfer carbon into the soil, where it can be stored long-term through interactions with microbes and organic matter.
Beyond carbon removal, trees provide many other benefits for both nature and people.
Biodiversity Support – Trees provide habitat and food for birds, insects, and other wildlife, fostering healthy ecosystems. The Amazon rainforest is the richest biodiversity spot, being a home to 10% of the world’s known species.
Water Cycle Regulation – Trees help manage water runoff, reduce erosion, and improve groundwater recharge, leading to better water availability and quality.
Air Quality Improvement – Trees filter pollutants like nitrogen oxides, ammonia, and sulfur dioxide, improving overall air quality.
Soil Enrichment – Trees improve soil quality by preventing erosion, enhancing nutrient cycling, and promoting microbial activity.
Flood Mitigation – Their root systems absorb excess rainwater, reducing flood risks and improving water infiltration.
Temperature Regulation – Through shade and transpiration, trees cool the environment, reducing urban heat island effects and improving local climates. Urban greening projects in cities like Singapore have significantly lowered temperatures and improved air quality.
Mental and Physical Well-being – Green spaces with trees enhance mental health, reduce stress, and encourage outdoor activities that promote physical health.
Noise Reduction – Trees act as natural sound barriers, absorbing and blocking urban and traffic noise, creating quieter and more peaceful environments.
Economic Benefits – Trees increase property values, lower energy costs (by providing shade and wind protection), and support industries like tourism and agriculture. In Costa Rica, eco-tourism driven by forest conservation has become a major part of the economy.
Aesthetic and Cultural Value – Trees enhance landscapes, provide recreational spaces, and hold cultural, historical, and spiritual significance in many communities.
There is no doubt that trees are essential for local communities, nature, and the health of our planet.
The Challenges of Carbon Offsetting by Planting Trees
So, carbon offsetting by planting trees should be simple: calculate your carbon footprint and plant the number of trees required to offset your emissions. However, companies that choose this path may face significant challenges.
Why is it not that simple?
First and foremost, newly planted forests take years, sometimes decades, to sequester significant amounts of carbon. Deforestation, wildfires, and land-use changes can negate their benefits. Besides this, some other factors should be taken into account.
Scientific Tree Selection and Planting – Trees must be carefully selected and planted using rigorous scientific methodologies to maximize carbon sequestration and biodiversity benefits. Planting non-native, fast-growing monocultures (e.g., eucalyptus or pine plantations) can reduce biodiversity, deplete water resources, and make forests more vulnerable to pests. In Spain, eucalyptus plantations have contributed to water shortages in some regions.
Proper Forest Management – Many planted trees die prematurely due to drought, poor soil conditions, pests, or lack of maintenance. Without proper care, up to 50% of newly planted trees can perish within the first few years. In Sierra Nevada (US), bark beetle infestations killed 163 million trees between 2010 and 2019, according to the US Forest Service.
Carbon Storage Is Temporary – If trees burn in wildfires, get cut down, or decay, their stored carbon is released back into the atmosphere. Protecting existing forests is just as crucial as planting new ones. In California, wildfires have destroyed thousands of acres of reforested land, releasing stored carbon back into the atmosphere.
Afforestation Risks – Planting trees in historically non-forested areas, like grasslands or peatlands, can disrupt local ecosystems. Commercial forestry and non-commercial afforestation initiatives in Uruguay altered native grassland ecosystems, reducing habitat for certain wildlife.
And this is not even the full list of potential challenges when attempting to offset carbon through tree planting.
How Can This Problem Be Solved?
The best way for businesses to offset carbon emissions through tree planting is by purchasing forest-related carbon credits with real and verified impact. To ensure a positive environmental impact and accurate offsetting, the projects are developed under rigorous internationally recognized methodologies and verified by independent organizations. These organizations measure carbon sequestration in forests using transparent, accurate verification methods, including satellite monitoring, field surveys, and remote sensing.
What Are Carbon Credits and How Do They Work?
Carbon credits are tradable certificates representing the reduction or removal of one metric tonne of CO₂ or its equivalent greenhouse gases from the atmosphere. They allow companies, governments, and individuals to offset their emissions by funding projects that reduce or remove carbon. To be effective, credits must be verifiable, additional (i.e., the reduction or removal wouldn’t have happened without the credit), and permanent (based on various frameworks, the durability of carbon storage should be over 100+ years).
Types of Forest-Related Carbon Credits
There are four main types of forest-related carbon credits: REDD+ (Reducing Emissions from Deforestation and Forest Degradation), ARR (Afforestation, Reforestation, and Revegetation), IFM (Improved Forest Management), and Agroforestry. Let’s explore each in more detail with real-world examples.
REDD+ (Reducing Emissions from Deforestation and Forest Degradation)
These initiatives incentivize forest conservation and sustainable management, preventing deforestation and maintaining existing carbon stocks. The original REDD concept focused solely on reducing emissions from deforestation and degradation, but the "+" broadens the scope to include additional proactive measures as outlined below. It reflects a more comprehensive approach to forest-based climate change mitigation, recognizing the value of forests beyond just preventing their loss.
Conservation of Forest Carbon Stocks: Protecting existing forests that act as carbon sinks, even if they aren’t immediately threatened by deforestation or degradation.
Sustainable Management of Forests: Promoting practices that maintain or enhance forest health and carbon storage while allowing for the responsible use of forest resources.
Enhancement of Forest Carbon Stocks: Activities like reforestation and afforestation to increase the amount of carbon forests can sequester.
Example: ARLEQUIN REDD+ Conservation Project
The ARLEQUIN REDD+ Conservation Project is protecting 82,626 hectares of tropical rainforest in Colombia’s Chocó Biogeographic Zone, one of the most biodiverse regions on Earth. The project aims to reduce over 4.7 million tCO₂e emissions over its 30-year lifespan by preventing deforestation and forest degradation while fostering environmental sustainability and community well-being. It also safeguards critical habitats for endangered species like the Oophaga histrionica frog, ensuring the long-term preservation of ecosystems.
Beyond its environmental impact, the project is deeply committed to empowering local communities. Sustainable agriculture initiatives help farmers cultivate crops like cacao, yucca, and medicinal plants, providing stable income opportunities while promoting eco-friendly farming practices. Reforestation and restoration efforts revive degraded lands and enhance ecological connectivity, making the ecosystem more resilient. Investments in transportation, housing, and health centers further strengthen local infrastructure, while ecotourism and environmental education programs diversify economic opportunities and promote conservation awareness.
Managed by BIOFIX Consultoría, the project follows the Cercarbono REDD+ Methodology, adhering to both international and Colombian sustainability standards. It has already verified 1.75 million tCO₂e reductions and continues to issue high-integrity carbon credits through EcoRegistry, in compliance with ISO 14064-2:2019 and UN-REDD guidelines.

ARR (Afforestation, Reforestation, and Revegetation)
ARR carbon credits focus on the creation of new forests or the restoration of degraded lands, actively increasing carbon sequestration capacity over time.
Example: GRO Initiative
The GRO Initiative, led by the GRO Foundation, is a large-scale afforestation project aimed at restoring Uganda’s degraded landscapes while creating sustainable economic opportunities for local communities. With an ambitious goal of planting 1 billion trees by 2030, the initiative not only combats deforestation but also connects grassroots communities to the global carbon market, lifting millions out of poverty.
At the heart of this project is a commitment to climate finance solutions that benefit Uganda’s most vulnerable populations, including women and youth. By rehabilitating forest reserves, riverlands, and community-managed lands, the initiative promotes biodiversity and sustainable land use in partnership with Uganda’s Ministry of Water & Environment, local authorities, and traditional land custodians. In addition to reforestation, it provides rural electrification, improved food and water security, and job creation, making it a holistic approach to climate resilience.
With a 45-year crediting period, the project will plant 255 million native trees, sequestering 138.5 million tCO₂e over its lifetime. By leveraging carbon finance, the initiative incentivizes local communities to restore land, ensuring long-term ecosystem health and sustainable livelihoods.
The GRO Initiative is verified by the International Carbon Registry (ICR), ensuring compliance with CDM methodology AR-ACM0003 and ISO 14064 standards. By bridging local communities with the global carbon market, it sets a new standard for nature-based climate solutions, proving that afforestation is about more than just planting trees—it’s about building a sustainable future for both people and nature.

IFM (Improved Forest Management)
IFM carbon credits support enhancing carbon storage in existing forests through sustainable forestry practices, such as extending harvest rotations, reducing logging impacts, and protecting high-carbon areas.
Example: Inner Mongolia Chao’er IFM Project
This project is transforming 40,027 hectares of commercial forest in Hulun Buir City, Inner Mongolia, from a timber harvesting zone into a protected and sustainably managed ecosystem. Led by Chao’er Forest Industry Co. Ltd, the project represents a crucial shift from traditional logging to conservation-based forest management.
Previously designated for commercial timber production, these forests were logged annually under state-approved plans. Since December 2017, all commercial logging has ceased, allowing the forest to recover naturally while implementing sustainable management practices. Over its 60-year implementation period, the focus remains on forest restoration, biodiversity conservation, and ecosystem sustainability.
A ranger team now actively monitors the area to prevent illegal logging, wildfires, poaching, and disease, ensuring long-term ecosystem integrity. The project is expected to generate 8.37 million tCO₂e in emission reductions over 30 years, contributing to China’s broader climate commitments and global carbon reduction efforts.
Carbon credits from this project are issued under Verra’s Verified Carbon Standard (VCS) Program, ensuring transparent measurement and accountability.

Agroforestry
Agroforestry carbon credits promote land-use systems that integrate trees with crops or livestock, enhancing carbon sequestration, biodiversity, and ecosystem resilience while supporting sustainable food production. Agroforestry projects also restore soil fertility and boost crop yields for farmers.
Example: AgroEcology Italy Project
The AgroEcology Italy Project is transforming 350,000 hectares of farmland by helping Italian farmers adopt regenerative agriculture, agroforestry, and tree planting. Developed by Alberami SRL with support from the Agroimpulso Foundation, this 20-year initiative reduces GHG emissions, enhances carbon sequestration, and promotes sustainable land management.
With 300+ farmers participating, the project introduces organic farming, minimal tillage, intercropping, and a new approach to field management. Farmers are reducing synthetic fertilizers and pesticides while incorporating windbreaks, hedges, and buffer zones into their land. Additional practices like crop rotation, recycling organic matter, and expanding orchards and vineyards further contribute to long-term soil health and biodiversity restoration.
This project is verified by the International Carbon Registry (ICR), ensuring that carbon credits meet high-integrity climate impact criteria.

Comparing REDD+, ARR, IFM, and Agroforestry Credits

There is no need to choose one type of carbon credits; any of them makes a positive impact, and the best approach is a mix of all four types.
How Carbonmark helps organizations offset their carbon footprint by connecting them to tree planting projects and taking care of existing forests
At Carbonmark, we offer all four types of forest-related carbon credits. Our listed projects are built on a strong scientific foundation and adhere to internationally recognized standards. When offsetting carbon emissions through tree planting, you can be confident that your purchase contributes to a real, measurable, and documented positive environmental impact.
Our blockchain-powered marketplace enables immediate settlement and provides buyers with a publicly available certificate of carbon retirement. This transparency guarantees trust and efficiency in the carbon credit market.
Our mission extends beyond tree planting. We are committed to scaling climate finance to combat climate change and mitigate its consequences for both nature and the economy. We also support novel carbon removal methodologies, such as biochar production and ocean alkalinity enhancement, ensuring the longer permanence of carbon removal.
Explore more than 160 carbon projects across 24 countries on our global carbon credits marketplace. By leveraging blockchain technology, Carbonmark ensures enhanced carbon credit traceability, transparent pricing, efficient settlements, and enhanced market confidence for carbon credits.