How Sea Ice Forms

Sea ice is formed from ocean water that freezes. Because the oceans consist of saltwater, this occurs at about minus 1.8 degrees Celsius (28.8 degrees Fahrenheit). Most Antarctic sea ice occurs annually, meaning it forms in the winter and melts during the summer. Sea ice regulates exchanges of heat, moisture and salinity in the polar oceans. It insulates the relatively warm […]

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The Effects of Global Warming on Polar Bears

The Effects of Global Warming on Polar Bears

Polar bear numbers are expanding The Effects of Global Warming on Polar Bears has been quite significant. “A main Canadian power on polar bears, Mitch Taylor, said: ‘We’re seeing an increment in bears that is truly phenomenal, and in spots where we’re seeing an abatement in the populace it’s from chasing, not from environmental change.’” (Scotsman.com) Polar bears are found […]

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