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For the first time, scientists have tracked soot from Canadian wildfires all the way to the Greenland ice sheet where the dark, sunlight-absorbing particles landed on the ice and had the potential to significantly enhance its melting - pointing to a possible new driver of sea level rise. It's the first end-to-end documentation of a process that, it's feared, could hasten Greenland's melting in the future - and since the ice sheet could contribute more than 20 feet of eventual sea level rise, any such process is one that scientists weigh carefully. [Source: Alaska Dispatch News]
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