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ESG Economist - Carbon offsets: To Tree or Not to Tree?

UN Climate Change has a workstream on reducing emissions from deforestation and forest degradation in developing countries or REDD+. Countries have established the REDD+ framework to protect forests as part of the Paris Agreement [1]. Various companies have certified carbon standards programs to drive finance towards activities that reduce and remove emissions, improve livelihoods and protect nature. Moreover, there is a voluntary market that sells carbon credits to buyers that try to offset the carbon emissions that will take longer to reduce. One of the focus areas of these offsets is planting trees. On 26 June 2024, we published an ESG Economist – Could carbon sequestration technologies help to reach net zero? [2]. One of the biological carbon sequestration technologies is planting trees (afforestation and reforestation). Afforestation is converting long-time non-forested land into forest. Obviously, the intention of these initiatives is good. Generally, it is assumed that deforestation leads to higher global mean temperatures and that forestation will limit the increase of global mean temperature. But as often is the case we need to ask ourselves if all relevant aspects are considered and whether they have the desired effect. This report focuses on that question. We start with the possible climate effects of planting or removing trees. These effects are important to consider when certain carbon offset products are considered. Then we show the results of scientific research. We end with a conclusion.

Georgette Boele

Pioneering economics with financial transaction data

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