The dramatic loss of Arctic sea ice stands out as one of the clearest signals of a warming planet, with nearly 50% of ice extent lost over the past four decades. This ice is a critical component of the Earth’s climate system, so as it melts earlier in the summer and forms later in autumn, the expansion of the open-water (ice-free) season affects local ecosystems, global climate, and human activities such as commercial shipping and…
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Source www.earthdata.nasa.gov
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