We may be underestimating the true carbon cost of northern wildfires

Wildfires in the northern boreal forests of Alaska, Canada, Scandinavia, and Russia may be more damaging to the climate than previously thought, a new UC Berkeley-led study suggests. That’s because these fires don’t just burn through trees; they can also penetrate deep into the carbon-rich layers of soil underneath many boreal forests, releasing carbon that has been accumulating for hundreds or even thousands of years.

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