What are zombie fires?

What are zombie fires? Thanks for asking! Believe it or not, some fires are able to smolder for months underneath snow, even when their flames have been extinguished above ground. Researchers and forest rangers have been aware of the existence of these zombie fires in the Arctic Circle for many years now. But a study published in Nature magazine on May 19th revealed the full extent of the issue. It turns out the threat they pose to boreal forests and the climate as a whole is greater than we previously knew. How can a fire resist cold and ice? In under 3 minutes, we answer your questions! To listen to the last episodes, you can click here: What are molecular scissors? What is the fertility cliff? What is phantosmia? A podcast written and realised by Joseph Chance. See acast.com/privacy for privacy and opt-out information. Learn more about your ad choices. Visit megaphone.fm/adchoices

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