Thawing Arctic permafrost, and release of its stored carbon, is a known amplifier of global warming. Now research suggests an increase in Arctic lightning could speed up the permafrost’s demise.

中文翻译：

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闪电威胁永久冻土

解冻北极多年冻土并释放其储存的碳是已知的全球变暖放大器。现在的研究表明，北极闪电的增加可能会加速永久冻土的消亡。