We mapped the world’s frozen peatlands. What we found was very worrying
About half of northern peatlands are in permafrost. But it's on track to thaw — with catastrophic consequences.
Peatlands cover just a few percent of the global land area but they store almost one-quarter of all soil carbon and so play a crucial role in regulating the climate. My colleagues and I have just produced the most accurate map yet of the world’s peatlands — their depth, and how much greenhouse gas they have stored. We found that global warming will soon mean that these peatlands start emitting more carbon than they store.
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