Boreal ablaze by Reuters

With climate change raising Arctic temperatures faster than the global average, wildfires are shifting poleward where the flames blaze through boreal forest and tundra and release vast amounts of greenhouse gases from the carbon-rich organic soil.

A Reuters analysis found that high-latitude wildfires were responsible for a greater share of total global fire emissions in 2021 than in any year since monitoring began in 2003, releasing nearly a third of last year’s total carbon emissions from wildfires. Here we visualise this trend and explain how organic carbon is released.

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