Video Shows Dramatic Change In Arctic's Melting Ice Over 25 Years

A time-lapse video released by the National Oceanic and Atmospheric Administration shows a distinct change in old Arctic ice from 1990 to 2015.

The National Oceanic and Atmospheric Administration has released a time-lapse video showing the relative age of Arctic ice week-by-week from January 1990 until September 2015, based on data provided by Mark Tschudi from the University of Colorado-Boulder. 

Seasonal ice appears darkest blue while older ice (over nine-years-old) appears white. 

Once the video ends, it's clear the older ice is running considerably lower after 25 years of climate change.
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