Managed forests carry hidden carbon cost that rivals fossil fuels
A new analysis of Swedish forestry reveals that commercial forest management creates a substantial "carbon debt"—the difference between carbon stored in managed versus natural forests. This hidden deficit is so large it matches Sweden's total accumulated fossil fuel emissions, challenging the climate credentials of sustainable forestry practices and raising questions about how governments should count forest carbon in their climate strategies.
Originaltitel: Assessment of Climate Impact of Sustainable Forestry Based on Landscape Structure
<p>This article presents an evaluation of the environmental impact of forestry based on landscape theory. It has been argued that this type of forestry offers a positive impact on the climate because there is a balance between the amount of greenhouse gas emissions and the absorption of these gases within an entire forested area. However, this analysis will demonstrate that the arrangement and composition of managed forests are linked to a significant carbon debt. This debt represents the disparity between the carbon that would typically be stored in a natural forest and the actual amount of carbon stored in the managed forest. While this excess carbon remains in the atmosphere rather than being sequestered, it contributes to the greenhouse effect. Using Swedish forestry as an example, the carbon debt is estimated to be comparable in scale to the total accumulated fossil fuel emissions of the country.</p>