The wildfires in Canada's boreal forests in 2023 emitted more planet-warming carbon than the burning of fossil fuels in all but three countries, raising concerns about future carbon absorption.
Scientists are now questioning the carbon absorption capacity of boreal forests due to the unprecedented wildfires, suggesting a need to redefine greenhouse gas calculations in light of new emission levels.
The extraordinary dry and hot conditions that led to the fires are projected to become common in the 2050s if global warming trends continue, dramatically altering the carbon storage ability of these forests.
Brendan Byrne stated that the increased frequency of these fires could severely impact the boreal forests' role in carbon storage, posing significant challenges for climate change mitigation.
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