The word polar is an adjective. Polar means (1) having a pair of equal and opposite charges, (2) being of crucial importance, (3) extremely cold, (4) characterized by opposite extremes; completely opposed.
Polar is also an adjective that means (1) of or existing at or near a geographical pole or within the Arctic or Antarctic Circles, (2) located at or near or coming from the earth's poles.
The following articles and web pages elaborate on the word polar.
The North Pole is the northern-most part of the frigid Arctic region. This website features printable maps and information about the Arctic Ocean and subarctic regions.
http://www.arctic-map.com/
The subarctic regions comprise lands that lie just south of the Arctic Circle, including areas of Canada and Siberia. Learn about the topography and climate of the subarctic region.
http://www.arctic-map.com/subarctic.htm
Antarctica is a cruise destination for those with an adventurous spirit who come to see its snowy ice caps, rugged terrain, and abundance of polar animals.
https://www.map-of-antarctica.us/travel.htm
The following articles provide recent polar-related news.
Recent reports claimed a large number of stink bugs were wiped out by the recent cold snap that swept through the Midwest and Northeast. It turned out to be too good to be true.
Emily Petsko. Mental Floss. Tuesday, 19 Feb 2019 17:30:00 -0500.
Researchers say the recent Polar Vortex may have killed 95% of stink bugs that hadn't found shelter to stay warm.
Yahoo. Tuesday, 19 Feb 2019 15:31:59 -0500.
The polar vortex that dropped subzero temperatures, wind chills and snow on the Midwest and East Coast reportedly did in some bug species.
Newsmax. Monday, 18 Feb 2019 15:35:42 EDT.
Nunavut's Department of Environment investigated after an elder shot two polar bears in January. Now, the department says no charges will be laid.
Canadian Broadcasting Corporation. Monday, 18 Feb 2019 05:30:00 EST.
The intense polar vortex that blanketed the Midwest and made its way to the East Coast with deadly subzero wild chills and snow may have had one benefit: killing off some bad bugs.
Travis Fedschun. Fox News. Sunday, 17 Feb 2019 16:02:00 GMT.
Berlin Zoo's adorable 11-week-old polar bear cub gets her first checkup by veterinarians, who say she's "a perky, strong girl."
ABC News. Friday, 15 Feb 2019 10:58:41 -0500.
The extreme weather is due to a powerful Pacific Ocean jet stream pattern: Part of the polar jet stream is angled straight south along the U.S. West Coast from Alaska
CBS News. Thursday, 14 Feb 2019 19:50:36 +0000.
Thick ice and a lost sub bring an end to the search for the famous Antarctic explorer's sunken polar yacht.
BBC News. Thursday, 14 Feb 2019 12:15:12 GMT.
The following digital image illustrates the word polar.