Science of Winter: The first day of winter starts the countdown to spring

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By Tom Spears, Ottawa Sun, December 21, 2017

Today we begin our annual look at what makes this season special, a time when nature is doing much more than just turning dormant for three months. This is a series we like to call The Science of Winter.

Spring is coming.

Even as winter tightens its grip, the sun’s annual race to our summer all begins today, slow but unstoppable, like a huge freighter pulling away from the dock.

http://ottawasun.com/news/local-news/science-of-winter-the-first-day-of-winter-kickstarts-a-long-warming-trend/wcm/4302f346-4cb1-4e3f-9fd5-7b8e6c26499a