42: Sea ice: Why does it matter?

It's been a record-breaking (-ly bad) year for sea ice. So why does that matter? The changing of the seasons is pretty reliable … or it used to be. Arctic ice loss has been in the news constantly for at least a decade, but just last month it was confirmed that 2020 is the second-worst year on record for it. If you thought it was problem that didn’t affect you, well, you’d be wrong about that. So, why is this happening? Why this year in particular? And what about the antarctic?

 

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A few of the discussed sources:

https://theconversation.com/wheres-the-sea-ice-3-reasons-the-arctic-freeze-is-unseasonably-late-and-why-it-matters-148918

https://research.noaa.gov/article/ArtMID/587/ArticleID/2660/Arctic-melt-season-puts-focus-on-sea-ice-forecasts

https://www.newscientist.com/article/2259556-rivers-of-air-in-the-sky-are-melting-huge-patches-of-antarctic-sea-ice/

https://royalsociety.org/topics-policy/projects/climate-change-evidence-causes/question-12/