Melting Arctic sends a message: Climate change is here in a big way
A climate scientist writes about what it was like to witness big changes in the Arctic firsthand.
Scientists have known for a long time that as climate change started to heat up the Earth, its effects would be most pronounced in the Arctic. This has many reasons, but climate feedbacks are key. As the Arctic warms, snow and ice melt, and the surface absorbs more of the sun’s energy instead of reflecting it back into space. This makes it even warmer, which causes more melting, and so on.
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